64311332802 has 64 divisors (see below), whose sum is σ = 130520294784. Its totient is φ = 21123970560.

The previous prime is 64311332797. The next prime is 64311332909. The reversal of 64311332802 is 20823311346.

64311332802 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 31 ways as a sum of consecutive naturals, for example, 104231998 + ... + 104232614.

It is an arithmetic number, because the mean of its divisors is an integer number (2039379606).

Almost surely, 2^64311332802 is an apocalyptic number.

64311332802 is an abundant number, since it is smaller than the sum of its proper divisors (66208961982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64311332802 is a wasteful number, since it uses less digits than its factorization.

64311332802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 64311332802 in words is "sixty-four billion, three hundred eleven million, three hundred thirty-two thousand, eight hundred two".