64709474092 has 24 divisors (see below), whose sum is σ = 113806535360. Its totient is φ = 32193398160.

The previous prime is 64709474077. The next prime is 64709474153. The reversal of 64709474092 is 29047490746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4870843 + ... + 4884109.

Almost surely, 2^64709474092 is an apocalyptic number.

It is an amenable number.

64709474092 is a deficient number, since it is larger than the sum of its proper divisors (49097061268).

64709474092 is a wasteful number, since it uses less digits than its factorization.

64709474092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19261 (or 19259 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 64709474092 in words is "sixty-four billion, seven hundred nine million, four hundred seventy-four thousand, ninety-two".