425046666636 has 36 divisors (see below), whose sum is σ = 1076311836600. Its totient is φ = 141433213248.

The previous prime is 425046666607. The next prime is 425046666647. The reversal of 425046666636 is 636666640524.

425046666636 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10354606 + ... + 10395573.

Almost surely, 2^425046666636 is an apocalyptic number.

It is an amenable number.

425046666636 is an abundant number, since it is smaller than the sum of its proper divisors (651265169964).

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

425046666636 is a wasteful number, since it uses less digits than its factorization.

425046666636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20750758 (or 20750753 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 54.

The spelling of 425046666636 in words is "four hundred twenty-five billion, forty-six million, six hundred sixty-six thousand, six hundred thirty-six".