64458680109802 has 16 divisors (see below), whose sum is σ = 105950834986752. Its totient is φ = 29168012603520.

The previous prime is 64458680109781. The next prime is 64458680109821. The reversal of 64458680109802 is 20890108685446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6569367303 + ... + 6569377114.

It is an arithmetic number, because the mean of its divisors is an integer number (6621927186672).

Almost surely, 2^{64458680109802} is an apocalyptic number.

64458680109802 is a deficient number, since it is larger than the sum of its proper divisors (41492154876950).

64458680109802 is a wasteful number, since it uses less digits than its factorization.

64458680109802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138744653.

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 64458680109802 in words is "sixty-four trillion, four hundred fifty-eight billion, six hundred eighty million, one hundred nine thousand, eight hundred two".