6577313402 has 12 divisors (see below), whose sum is σ = 10844413818. Its totient is φ = 2989687800.

The previous prime is 6577313389. The next prime is 6577313441. The reversal of 6577313402 is 2043137756.

It can be written as a sum of positive squares in only one way, i.e., 6379376641 + 197936761 = 79871^2 + 14069^2 .

It is a super-2 number, since 2×6577313402² = 86522103176257627208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13589249 + ... + 13589732.

Almost surely, 2^6577313402 is an apocalyptic number.

6577313402 is a deficient number, since it is larger than the sum of its proper divisors (4267100416).

6577313402 is a wasteful number, since it uses less digits than its factorization.

6577313402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27179005 (or 27178994 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 6577313402 is about 81100.6374944118. The cubic root of 6577313402 is about 1873.6257451950.

The spelling of 6577313402 in words is "six billion, five hundred seventy-seven million, three hundred thirteen thousand, four hundred two".