64304370064 has 40 divisors (see below), whose sum is σ = 135931424832. Its totient is φ = 29225953920.

The previous prime is 64304370049. The next prime is 64304370073. The reversal of 64304370064 is 46007340346.

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, 2242602 + ... + 2271094.

Almost surely, 2^64304370064 is an apocalyptic number.

It is an amenable number.

64304370064 is an abundant number, since it is smaller than the sum of its proper divisors (71627054768).

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

64304370064 is a wasteful number, since it uses less digits than its factorization.

64304370064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41335 (or 41329 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 64304370064 in words is "sixty-four billion, three hundred four million, three hundred seventy thousand, sixty-four".