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7144403537 is a prime number
BaseRepresentation
bin1101010011101011…
…01111001001010001
3200102220110022012102
412221311233021101
5104112431403122
63140533210145
7342021266555
oct65165571121
920386408172
107144403537
113036914137
121474790955
1389b1c571b
144babc9865
152bc340492
hex1a9d6f251

7144403537 has 2 divisors, whose sum is σ = 7144403538. Its totient is φ = 7144403536.

The previous prime is 7144403501. The next prime is 7144403573. The reversal of 7144403537 is 7353044417.

It is a happy number.

Together with next prime (7144403573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (7144403501) and next prime (7144403573).

It can be written as a sum of positive squares in only one way, i.e., 5236548496 + 1907855041 = 72364^2 + 43679^2 .

It is an emirp because it is prime and its reverse (7353044417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7144403537 - 220 = 7143354961 is a prime.

It is a super-2 number, since 2×71444035372 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7144403537.

It is not a weakly prime, because it can be changed into another prime (7144403737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572201768 + 3572201769.

It is an arithmetic number, because the mean of its divisors is an integer number (3572201769).

Almost surely, 27144403537 is an apocalyptic number.

It is an amenable number.

7144403537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7144403537 is an equidigital number, since it uses as much as digits as its factorization.

7144403537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 7144403537 is about 84524.5735688740. The cubic root of 7144403537 is about 1925.9957550964.

The spelling of 7144403537 in words is "seven billion, one hundred forty-four million, four hundred three thousand, five hundred thirty-seven".