64473078410368 has 32 divisors (see below), whose sum is σ = 128484587767500. Its totient is φ = 32225966186496.

The previous prime is 64473078410333. The next prime is 64473078410407. The reversal of 64473078410368 is 86301487037446.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63948682291264 + 524396119104 = 7996792^2 + 724152^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82209913 + ... + 82990456.

Almost surely, 2^{64473078410368} is an apocalyptic number.

It is an amenable number.

64473078410368 is a deficient number, since it is larger than the sum of its proper divisors (64011509357132).

64473078410368 is a wasteful number, since it uses less digits than its factorization.

64473078410368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165203432 (or 165203420 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 61.

The spelling of 64473078410368 in words is "sixty-four trillion, four hundred seventy-three billion, seventy-eight million, four hundred ten thousand, three hundred sixty-eight".