313649268357 has 4 divisors (see below), whose sum is σ = 418199024480. Its totient is φ = 209099512236.

The previous prime is 313649268349. The next prime is 313649268397. The reversal of 313649268357 is 753862946313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 313649268357 - 2³ = 313649268349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313649268297 and 313649268306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313649268397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52274878057 + ... + 52274878062.

It is an arithmetic number, because the mean of its divisors is an integer number (104549756120).

Almost surely, 2^313649268357 is an apocalyptic number.

It is an amenable number.

313649268357 is a deficient number, since it is larger than the sum of its proper divisors (104549756123).

313649268357 is a wasteful number, since it uses less digits than its factorization.

313649268357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104549756122.

The product of its digits is 19595520, while the sum is 57.

The spelling of 313649268357 in words is "three hundred thirteen billion, six hundred forty-nine million, two hundred sixty-eight thousand, three hundred fifty-seven".