64469901551082 has 16 divisors (see below), whose sum is σ = 128951144588160. Its totient is φ = 21488076936032.

The previous prime is 64469901550979. The next prime is 64469901551147. The reversal of 64469901551082 is 28015510996446.

It is a happy number.

It is a super-3 number, since 3×64469901551082³ (a number of 42 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 472488018 + ... + 472624445.

It is an arithmetic number, because the mean of its divisors is an integer number (8059446536760).

Almost surely, 2^{64469901551082} is an apocalyptic number.

64469901551082 is an abundant number, since it is smaller than the sum of its proper divisors (64481243037078).

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

64469901551082 is a wasteful number, since it uses less digits than its factorization.

64469901551082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945123837.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 64469901551082 in words is "sixty-four trillion, four hundred sixty-nine billion, nine hundred one million, five hundred fifty-one thousand, eighty-two".