64313755731346 has 32 divisors (see below), whose sum is σ = 111186056782080. Its totient is φ = 27624930748800.

The previous prime is 64313755731307. The next prime is 64313755731509.

64313755731346 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072366395 + ... + 1072426366.

It is an arithmetic number, because the mean of its divisors is an integer number (3474564274440).

Almost surely, 2^{64313755731346} is an apocalyptic number.

64313755731346 is a deficient number, since it is larger than the sum of its proper divisors (46872301050734).

64313755731346 is a wasteful number, since it uses less digits than its factorization.

64313755731346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144792850.

The product of its digits is 57153600, while the sum is 58.

The spelling of 64313755731346 in words is "sixty-four trillion, three hundred thirteen billion, seven hundred fifty-five million, seven hundred thirty-one thousand, three hundred forty-six".