425604971368 has 32 divisors (see below), whose sum is σ = 821581230600. Its totient is φ = 206544771072.

The previous prime is 425604971353. The next prime is 425604971399. The reversal of 425604971368 is 863179406524.

It can be written as a sum of positive squares in 4 ways, for example, as 409571840484 + 16033130884 = 639978^2 + 126622^2 .

It is a super-2 number, since 2×425604971368² (a number of 24 digits) contains 22 as substring.

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, 1636705 + ... + 1878832.

It is a 2-persistent number, because it is pandigital, and so is 2⋅425604971368 = 851209942736, but 3⋅425604971368 = 1276814914104 is not.

Almost surely, 2^425604971368 is an apocalyptic number.

It is an amenable number.

425604971368 is a deficient number, since it is larger than the sum of its proper divisors (395976259232).

425604971368 is a wasteful number, since it uses less digits than its factorization.

425604971368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515989 (or 3515985 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 425604971368 in words is "four hundred twenty-five billion, six hundred four million, nine hundred seventy-one thousand, three hundred sixty-eight".