464468650821999 has 32 divisors (see below), whose sum is σ = 702748466196480. Its totient is φ = 303054842757600.

The previous prime is 464468650821943. The next prime is 464468650822009. The reversal of 464468650821999 is 999128056864464.

464468650821999 is a `hidden beast` number, since 4 + 6 + 4 + 4 + 6 + 8 + 6 + 508 + 2 + 19 + 99 = 666.

It is not a de Polignac number, because 464468650821999 - 2¹⁷ = 464468650690927 is a prime.

It is a super-2 number, since 2×464468650821999² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464468650871999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145153069 + ... + 148318409.

It is an arithmetic number, because the mean of its divisors is an integer number (21960889568640).

Almost surely, 2^{464468650821999} is an apocalyptic number.

464468650821999 is a deficient number, since it is larger than the sum of its proper divisors (238279815374481).

464468650821999 is a wasteful number, since it uses less digits than its factorization.

464468650821999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281028 (or 3281022 counting only the distinct ones).

The product of its (nonzero) digits is 6449725440, while the sum is 81.

The spelling of 464468650821999 in words is "four hundred sixty-four trillion, four hundred sixty-eight billion, six hundred fifty million, eight hundred twenty-one thousand, nine hundred ninety-nine".