64313455642552 has 8 divisors (see below), whose sum is σ = 120587729329800. Its totient is φ = 32156727821272.

The previous prime is 64313455642463. The next prime is 64313455642577. The reversal of 64313455642552 is 25524655431346.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 64313455642493 and 64313455642502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4019590977652 + ... + 4019590977667.

It is an arithmetic number, because the mean of its divisors is an integer number (15073466166225).

Almost surely, 2^{64313455642552} is an apocalyptic number.

It is an amenable number.

64313455642552 is a deficient number, since it is larger than the sum of its proper divisors (56274273687248).

64313455642552 is a wasteful number, since it uses less digits than its factorization.

64313455642552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8039181955325 (or 8039181955321 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 55.

The spelling of 64313455642552 in words is "sixty-four trillion, three hundred thirteen billion, four hundred fifty-five million, six hundred forty-two thousand, five hundred fifty-two".