425988571684 has 45 divisors (see below), whose sum is σ = 808019604791. Its totient is φ = 196508292240.

The previous prime is 425988571669. The next prime is 425988571733. The reversal of 425988571684 is 486175889524.

The square root of 425988571684 is 652678.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 211211938084 + 214776633600 = 459578^2 + 463440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 220604199 + ... + 220606129.

Almost surely, 2^425988571684 is an apocalyptic number.

425988571684 is the 652678-th square number.

It is an amenable number.

425988571684 is a deficient number, since it is larger than the sum of its proper divisors (382031033107).

425988571684 is an frugal number, since it uses more digits than its factorization.

425988571684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918 (or 1946 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 67.

The spelling of 425988571684 in words is "four hundred twenty-five billion, nine hundred eighty-eight million, five hundred seventy-one thousand, six hundred eighty-four".