64456054802 has 4 divisors (see below), whose sum is σ = 96684082206. Its totient is φ = 32228027400.

The previous prime is 64456054799. The next prime is 64456054807. The reversal of 64456054802 is 20845065446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62609547961 + 1846506841 = 250219^2 + 42971^2 .

It is not an unprimeable number, because it can be changed into a prime (64456054807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16114013699 + ... + 16114013702.

Almost surely, 2^64456054802 is an apocalyptic number.

64456054802 is a deficient number, since it is larger than the sum of its proper divisors (32228027404).

64456054802 is a wasteful number, since it uses less digits than its factorization.

64456054802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32228027403.

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 64456054802 in words is "sixty-four billion, four hundred fifty-six million, fifty-four thousand, eight hundred two".