425798251688 has 32 divisors (see below), whose sum is σ = 811870016160. Its totient is φ = 209303110080.

The previous prime is 425798251687. The next prime is 425798251717. The reversal of 425798251688 is 886152897524.

It is a super-2 number, since 2×425798251688² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425798251687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750095 + ... + 1189217.

It is an arithmetic number, because the mean of its divisors is an integer number (25370938005).

Almost surely, 2^425798251688 is an apocalyptic number.

It is an amenable number.

425798251688 is a deficient number, since it is larger than the sum of its proper divisors (386071764472).

425798251688 is a wasteful number, since it uses less digits than its factorization.

425798251688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441177 (or 441173 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 65.

The spelling of 425798251688 in words is "four hundred twenty-five billion, seven hundred ninety-eight million, two hundred fifty-one thousand, six hundred eighty-eight".