406563969699 has 48 divisors (see below), whose sum is σ = 614647051200. Its totient is φ = 258624672768.

The previous prime is 406563969671. The next prime is 406563969701. The reversal of 406563969699 is 996969365604.

406563969699 is a `hidden beast` number, since 4 + 0 + 65 + 6 + 396 + 96 + 99 = 666.

It is not a de Polignac number, because 406563969699 - 2⁷ = 406563969571 is a prime.

It is a super-2 number, since 2×406563969699² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (406563969899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68592274 + ... + 68598200.

It is an arithmetic number, because the mean of its divisors is an integer number (12805146900).

Almost surely, 2^406563969699 is an apocalyptic number.

406563969699 is a deficient number, since it is larger than the sum of its proper divisors (208083081501).

406563969699 is a wasteful number, since it uses less digits than its factorization.

406563969699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004 (or 9001 counting only the distinct ones).

The product of its (nonzero) digits is 510183360, while the sum is 72.

The spelling of 406563969699 in words is "four hundred six billion, five hundred sixty-three million, nine hundred sixty-nine thousand, six hundred ninety-nine".