64741845008 has 40 divisors (see below), whose sum is σ = 135641889792. Its totient is φ = 29818515968.

The previous prime is 64741844983. The next prime is 64741845017. The reversal of 64741845008 is 80054814746.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519360 + ... + 2544927.

Almost surely, 2^64741845008 is an apocalyptic number.

64741845008 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64741845008 is an abundant number, since it is smaller than the sum of its proper divisors (70900044784).

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

64741845008 is a wasteful number, since it uses less digits than its factorization.

64741845008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064359 (or 5064353 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 64741845008 in words is "sixty-four billion, seven hundred forty-one million, eight hundred forty-five thousand, eight".