1071373549 has 2 divisors, whose sum is σ = 1071373550. Its totient is φ = 1071373548.

The previous prime is 1071373493. The next prime is 1071373553. The reversal of 1071373549 is 9453731701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1065565449 + 5808100 = 32643^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071373549 - 2⁷ = 1071373421 is a prime.

It is a super-2 number, since 2×1071373549² = 2295682562993710802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071373579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535686774 + 535686775.

It is an arithmetic number, because the mean of its divisors is an integer number (535686775).

Almost surely, 2^1071373549 is an apocalyptic number.

It is an amenable number.

1071373549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071373549 is an equidigital number, since it uses as much as digits as its factorization.

1071373549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 1071373549 is about 32731.8430431285. The cubic root of 1071373549 is about 1023.2465914680.

The spelling of 1071373549 in words is "one billion, seventy-one million, three hundred seventy-three thousand, five hundred forty-nine".