1303428653537 has 4 divisors (see below), whose sum is σ = 1306779370260. Its totient is φ = 1300077936816.

The previous prime is 1303428653491. The next prime is 1303428653557. The reversal of 1303428653537 is 7353568243031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 354121396561 + 949307256976 = 595081^2 + 974324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303428653537 - 2²⁶ = 1303361544673 is a prime.

It is a super-2 number, since 2×1303428653537² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303428653557) 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 in 3 ways as a sum of consecutive naturals, for example, 1675357778 + ... + 1675358555.

It is an arithmetic number, because the mean of its divisors is an integer number (326694842565).

Almost surely, 2^{1303428653537} is an apocalyptic number.

It is an amenable number.

1303428653537 is a deficient number, since it is larger than the sum of its proper divisors (3350716723).

1303428653537 is an equidigital number, since it uses as much as digits as its factorization.

1303428653537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350716722.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 1303428653537 in words is "one trillion, three hundred three billion, four hundred twenty-eight million, six hundred fifty-three thousand, five hundred thirty-seven".