463643390511 has 24 divisors (see below), whose sum is σ = 765642254624. Its totient is φ = 264848149440.

The previous prime is 463643390479. The next prime is 463643390521. The reversal of 463643390511 is 115093346364.

It is a happy number.

463643390511 is a `hidden beast` number, since 4 + 6 + 3 + 6 + 43 + 3 + 90 + 511 = 666.

It is not a de Polignac number, because 463643390511 - 2⁵ = 463643390479 is a prime.

It is a super-2 number, since 2×463643390511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463643390521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1077700 + ... + 1445241.

Almost surely, 2^463643390511 is an apocalyptic number.

463643390511 is a deficient number, since it is larger than the sum of its proper divisors (301998864113).

463643390511 is a wasteful number, since it uses less digits than its factorization.

463643390511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525871 (or 2525868 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 463643390511 in words is "four hundred sixty-three billion, six hundred forty-three million, three hundred ninety thousand, five hundred eleven".