434881194938631 has 48 divisors (see below), whose sum is σ = 765400974266880. Its totient is φ = 243216230569200.

The previous prime is 434881194938627. The next prime is 434881194938657. The reversal of 434881194938631 is 136839491188434.

434881194938631 is a `hidden beast` number, since 4 + 3 + 48 + 8 + 1 + 19 + 493 + 86 + 3 + 1 = 666.

It is not a de Polignac number, because 434881194938631 - 2² = 434881194938627 is a prime.

It is a super-2 number, since 2×434881194938631² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 434881194938631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434881194938131) 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, 3496835545 + ... + 3496959906.

It is an arithmetic number, because the mean of its divisors is an integer number (15945853630560).

Almost surely, 2^{434881194938631} is an apocalyptic number.

434881194938631 is a deficient number, since it is larger than the sum of its proper divisors (330519779328249).

434881194938631 is a wasteful number, since it uses less digits than its factorization.

434881194938631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993795521 (or 6993795508 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 72.

The spelling of 434881194938631 in words is "four hundred thirty-four trillion, eight hundred eighty-one billion, one hundred ninety-four million, nine hundred thirty-eight thousand, six hundred thirty-one".