432621605656 has 16 divisors (see below), whose sum is σ = 811310678640. Its totient is φ = 216272091360.

The previous prime is 432621605653. The next prime is 432621605659. The reversal of 432621605656 is 656506126234.

It is an interprime number because it is at equal distance from previous prime (432621605653) and next prime (432621605659).

It is a super-2 number, since 2×432621605656² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432621605653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4791411 + ... + 4880866.

It is an arithmetic number, because the mean of its divisors is an integer number (50706917415).

Almost surely, 2^432621605656 is an apocalyptic number.

It is an amenable number.

432621605656 is a deficient number, since it is larger than the sum of its proper divisors (378689072984).

432621605656 is a wasteful number, since it uses less digits than its factorization.

432621605656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9677874 (or 9677870 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 432621605656 in words is "four hundred thirty-two billion, six hundred twenty-one million, six hundred five thousand, six hundred fifty-six".