465989564 has 12 divisors (see below), whose sum is σ = 816331824. Its totient is φ = 232751904.

The previous prime is 465989561. The next prime is 465989569.

465989564 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465989561) 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 3 ways as a sum of consecutive naturals, for example, 56369 + ... + 64104.

It is an arithmetic number, because the mean of its divisors is an integer number (68027652).

Almost surely, 2^465989564 is an apocalyptic number.

It is an amenable number.

465989564 is a deficient number, since it is larger than the sum of its proper divisors (350342260).

465989564 is a wasteful number, since it uses less digits than its factorization.

465989564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121444 (or 121442 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 56.

The square root of 465989564 is about 21586.7914243873. The cubic root of 465989564 is about 775.2802671384.

The spelling of 465989564 in words is "four hundred sixty-five million, nine hundred eighty-nine thousand, five hundred sixty-four".