64984942632 has 32 divisors (see below), whose sum is σ = 167703079680. Its totient is φ = 20962884480.

The previous prime is 64984942613. The next prime is 64984942681. The reversal of 64984942632 is 23624948946.

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, 43671933 + ... + 43673420.

It is an arithmetic number, because the mean of its divisors is an integer number (5240721240).

Almost surely, 2^64984942632 is an apocalyptic number.

64984942632 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

64984942632 is an abundant number, since it is smaller than the sum of its proper divisors (102718137048).

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

64984942632 is a wasteful number, since it uses less digits than its factorization.

64984942632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87345393 (or 87345389 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 57.

The spelling of 64984942632 in words is "sixty-four billion, nine hundred eighty-four million, nine hundred forty-two thousand, six hundred thirty-two".