434352421631 has 16 divisors (see below), whose sum is σ = 454132224000. Its totient is φ = 414648049728.

The previous prime is 434352421597. The next prime is 434352421663. The reversal of 434352421631 is 136124253434.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434352421631 is a prime.

It is a super-2 number, since 2×434352421631² (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 (434352421331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25059290 + ... + 25076616.

It is an arithmetic number, because the mean of its divisors is an integer number (28383264000).

Almost surely, 2^434352421631 is an apocalyptic number.

434352421631 is a deficient number, since it is larger than the sum of its proper divisors (19779802369).

434352421631 is a wasteful number, since it uses less digits than its factorization.

434352421631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19438.

The product of its digits is 207360, while the sum is 38.

The spelling of 434352421631 in words is "four hundred thirty-four billion, three hundred fifty-two million, four hundred twenty-one thousand, six hundred thirty-one".