464689969986465 has 48 divisors (see below), whose sum is σ = 809058225081600. Its totient is φ = 246728436708096.

The previous prime is 464689969986457. The next prime is 464689969986491. The reversal of 464689969986465 is 564689969986464.

464689969986465 is a `hidden beast` number, since 4 + 6 + 46 + 8 + 9 + 9 + 6 + 9 + 98 + 6 + 465 = 666.

It is not a de Polignac number, because 464689969986465 - 2³ = 464689969986457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174468216 + ... + 177111654.

It is an arithmetic number, because the mean of its divisors is an integer number (16855379689200).

Almost surely, 2^{464689969986465} is an apocalyptic number.

464689969986465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

464689969986465 is a deficient number, since it is larger than the sum of its proper divisors (344368255095135).

464689969986465 is a wasteful number, since it uses less digits than its factorization.

464689969986465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660886 (or 2660883 counting only the distinct ones).

The product of its digits is 1044855521280, while the sum is 99.

Subtracting 464689969986465 from its reverse (564689969986464), we obtain a palindrome (99999999999999).

The spelling of 464689969986465 in words is "four hundred sixty-four trillion, six hundred eighty-nine billion, nine hundred sixty-nine million, nine hundred eighty-six thousand, four hundred sixty-five".