64629548700 has 36 divisors (see below), whose sum is σ = 186994828440. Its totient is φ = 17234546240.

The previous prime is 64629548699. The next prime is 64629548719. The reversal of 64629548700 is 784592646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107715615 + ... + 107716214.

It is an arithmetic number, because the mean of its divisors is an integer number (5194300790).

Almost surely, 2^64629548700 is an apocalyptic number.

64629548700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64629548700 is an abundant number, since it is smaller than the sum of its proper divisors (122365279740).

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

64629548700 is a wasteful number, since it uses less digits than its factorization.

64629548700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215431846 (or 215431839 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 64629548700 in words is "sixty-four billion, six hundred twenty-nine million, five hundred forty-eight thousand, seven hundred".