64330589064 has 64 divisors (see below), whose sum is σ = 183832704000. Its totient is φ = 18377066304.

The previous prime is 64330589051. The next prime is 64330589129. The reversal of 64330589064 is 46098503346.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079619 + ... + 1137645.

It is an arithmetic number, because the mean of its divisors is an integer number (2872386000).

Almost surely, 2^64330589064 is an apocalyptic number.

It is an amenable number.

64330589064 is an abundant number, since it is smaller than the sum of its proper divisors (119502114936).

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

64330589064 is a wasteful number, since it uses less digits than its factorization.

64330589064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64642 (or 64638 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 64330589064 in words is "sixty-four billion, three hundred thirty million, five hundred eighty-nine thousand, sixty-four".