464463625887668 has 18 divisors (see below), whose sum is σ = 893420734921218. Its totient is φ = 211119829948720.

The previous prime is 464463625887623. The next prime is 464463625887721. The reversal of 464463625887668 is 866788526364464.

It can be written as a sum of positive squares in only one way, i.e., 464277863163664 + 185762724004 = 21547108^2 + 431002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479817794855 + ... + 479817795822.

It is an arithmetic number, because the mean of its divisors is an integer number (49634485273401).

Almost surely, 2^{464463625887668} is an apocalyptic number.

It is an amenable number.

464463625887668 is a deficient number, since it is larger than the sum of its proper divisors (428957109033550).

464463625887668 is a wasteful number, since it uses less digits than its factorization.

464463625887668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959635590703 (or 959635590690 counting only the distinct ones).

The product of its digits is 53508833280, while the sum is 83.

The spelling of 464463625887668 in words is "four hundred sixty-four trillion, four hundred sixty-three billion, six hundred twenty-five million, eight hundred eighty-seven thousand, six hundred sixty-eight".