425947749524 has 24 divisors (see below), whose sum is σ = 861006682368. Its totient is φ = 182223635840.

The previous prime is 425947749481. The next prime is 425947749547.

425947749524 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284723684 + ... + 284725179.

It is an arithmetic number, because the mean of its divisors is an integer number (35875278432).

Almost surely, 2^425947749524 is an apocalyptic number.

425947749524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

425947749524 is an abundant number, since it is smaller than the sum of its proper divisors (435058932844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425947749524 is a wasteful number, since it uses less digits than its factorization.

425947749524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569448895 (or 569448893 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 62.

The spelling of 425947749524 in words is "four hundred twenty-five billion, nine hundred forty-seven million, seven hundred forty-nine thousand, five hundred twenty-four".