425879213425 has 6 divisors (see below), whose sum is σ = 528090224678. Its totient is φ = 340703370720.

The previous prime is 425879213377. The next prime is 425879213491. The reversal of 425879213425 is 524312978524.

It can be written as a sum of positive squares in 3 ways, for example, as 66972781681 + 358906431744 = 258791^2 + 599088^2 .

It is not a de Polignac number, because 425879213425 - 2²³ = 425870824817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8517584244 + ... + 8517584293.

Almost surely, 2^425879213425 is an apocalyptic number.

It is an amenable number.

425879213425 is a deficient number, since it is larger than the sum of its proper divisors (102211011253).

425879213425 is a wasteful number, since it uses less digits than its factorization.

425879213425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17035168547 (or 17035168542 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The spelling of 425879213425 in words is "four hundred twenty-five billion, eight hundred seventy-nine million, two hundred thirteen thousand, four hundred twenty-five".