64692005552 has 20 divisors (see below), whose sum is σ = 125530979640. Its totient is φ = 32296914048.

The previous prime is 64692005551. The next prime is 64692005629. The reversal of 64692005552 is 25550029646.

It is not an unprimeable number, because it can be changed into a prime (64692005551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3057173 + ... + 3078260.

It is an arithmetic number, because the mean of its divisors is an integer number (6276548982).

Almost surely, 2^64692005552 is an apocalyptic number.

It is an amenable number.

64692005552 is a deficient number, since it is larger than the sum of its proper divisors (60838974088).

64692005552 is a wasteful number, since it uses less digits than its factorization.

64692005552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136100 (or 6136094 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 64692005552 in words is "sixty-four billion, six hundred ninety-two million, five thousand, five hundred fifty-two".