64456726922 has 16 divisors (see below), whose sum is σ = 110505021120. Its totient is φ = 27622367808.

The previous prime is 64456726903. The next prime is 64456726949. The reversal of 64456726922 is 22962765446.

64456726922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 54029 + ... + 363087.

It is an arithmetic number, because the mean of its divisors is an integer number (6906563820).

Almost surely, 2^64456726922 is an apocalyptic number.

64456726922 is a deficient number, since it is larger than the sum of its proper divisors (46048294198).

64456726922 is a wasteful number, since it uses less digits than its factorization.

64456726922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323965.

The product of its digits is 8709120, while the sum is 53.

The spelling of 64456726922 in words is "sixty-four billion, four hundred fifty-six million, seven hundred twenty-six thousand, nine hundred twenty-two".