426343677631 has 8 divisors (see below), whose sum is σ = 430580991744. Its totient is φ = 422106679200.

The previous prime is 426343677581. The next prime is 426343677667. The reversal of 426343677631 is 136776343624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426343677631 - 2¹⁵ = 426343644863 is a prime.

It is a super-2 number, since 2×426343677631² (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 (426343677731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388066 + ... + 3511648.

It is an arithmetic number, because the mean of its divisors is an integer number (53822623968).

Almost surely, 2^426343677631 is an apocalyptic number.

426343677631 is a deficient number, since it is larger than the sum of its proper divisors (4237314113).

426343677631 is a wasteful number, since it uses less digits than its factorization.

426343677631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157841.

The product of its digits is 9144576, while the sum is 52.

The spelling of 426343677631 in words is "four hundred twenty-six billion, three hundred forty-three million, six hundred seventy-seven thousand, six hundred thirty-one".