64387808113245 has 16 divisors (see below), whose sum is σ = 103063724466432. Its totient is φ = 34325753832000.

The previous prime is 64387808113201. The next prime is 64387808113319. The reversal of 64387808113245 is 54231180878346.

It is not a de Polignac number, because 64387808113245 - 2⁴⁴ = 46795622068829 is a prime.

It is a congruent number.

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, 900619006 + ... + 900690495.

It is an arithmetic number, because the mean of its divisors is an integer number (6441482779152).

Almost surely, 2^{64387808113245} is an apocalyptic number.

It is an amenable number.

64387808113245 is a deficient number, since it is larger than the sum of its proper divisors (38675916353187).

64387808113245 is a wasteful number, since it uses less digits than its factorization.

64387808113245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801311892.

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 64387808113245 in words is "sixty-four trillion, three hundred eighty-seven billion, eight hundred eight million, one hundred thirteen thousand, two hundred forty-five".