64104042434512 has 10 divisors (see below), whose sum is σ = 124201582216898. Its totient is φ = 32052021217248.

The previous prime is 64104042434501. The next prime is 64104042434521. The reversal of 64104042434512 is 21543424040146.

It can be written as a sum of positive squares in only one way, i.e., 38368064086416 + 25735978348096 = 6194196^2 + 5073064^2 .

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, 2003251326063 + ... + 2003251326094.

Almost surely, 2^{64104042434512} is an apocalyptic number.

It is an amenable number.

64104042434512 is a deficient number, since it is larger than the sum of its proper divisors (60097539782386).

64104042434512 is a wasteful number, since it uses less digits than its factorization.

64104042434512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006502652165 (or 4006502652159 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 64104042434512 its reverse (21543424040146), we get a palindrome (85647466474658).

The spelling of 64104042434512 in words is "sixty-four trillion, one hundred four billion, forty-two million, four hundred thirty-four thousand, five hundred twelve".