7900957313 has 4 divisors (see below), whose sum is σ = 7935459540. Its totient is φ = 7866455088.

The previous prime is 7900957303. The next prime is 7900957373. The reversal of 7900957313 is 3137590097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3137590097 = 163 ⋅19249019.

It can be written as a sum of positive squares in 2 ways, for example, as 6098360464 + 1802596849 = 78092^2 + 42457^2 .

It is a cyclic number.

It is not a de Polignac number, because 7900957313 - 2¹⁰ = 7900956289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7900957303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17250770 + ... + 17251227.

It is an arithmetic number, because the mean of its divisors is an integer number (1983864885).

Almost surely, 2^7900957313 is an apocalyptic number.

It is an amenable number.

7900957313 is a deficient number, since it is larger than the sum of its proper divisors (34502227).

7900957313 is a wasteful number, since it uses less digits than its factorization.

7900957313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34502226.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 7900957313 is about 88887.3293163879. The cubic root of 7900957313 is about 1991.7121459275.

The spelling of 7900957313 in words is "seven billion, nine hundred million, nine hundred fifty-seven thousand, three hundred thirteen".