64552129000 has 64 divisors (see below), whose sum is σ = 151091179200. Its totient is φ = 25814152000.

The previous prime is 64552128983. The next prime is 64552129009. The reversal of 64552129000 is 92125546.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64552129009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6005631 + ... + 6016369.

It is an arithmetic number, because the mean of its divisors is an integer number (2360799675).

Almost surely, 2^64552129000 is an apocalyptic number.

It is an amenable number.

64552129000 is an abundant number, since it is smaller than the sum of its proper divisors (86539050200).

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

64552129000 is a wasteful number, since it uses less digits than its factorization.

64552129000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16771 (or 16757 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 64552129000 in words is "sixty-four billion, five hundred fifty-two million, one hundred twenty-nine thousand".