425321606836 has 12 divisors (see below), whose sum is σ = 850643213728. Its totient is φ = 182280688632.

The previous prime is 425321606719. The next prime is 425321606849. The reversal of 425321606836 is 638606123524.

425321606836 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7595028666 + ... + 7595028721.

Almost surely, 2^425321606836 is an apocalyptic number.

It is an amenable number.

425321606836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

425321606836 is a wasteful number, since it uses less digits than its factorization.

425321606836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190057398 (or 15190057396 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 425321606836 in words is "four hundred twenty-five billion, three hundred twenty-one million, six hundred six thousand, eight hundred thirty-six".