425663417636 has 24 divisors (see below), whose sum is σ = 770645232000. Its totient is φ = 205479973664.

The previous prime is 425663417617. The next prime is 425663417653. The reversal of 425663417636 is 636714366524.

It is a super-2 number, since 2×425663417636² (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, 1927475 + ... + 2136933.

It is an arithmetic number, because the mean of its divisors is an integer number (32110218000).

Almost surely, 2^425663417636 is an apocalyptic number.

It is an amenable number.

425663417636 is a deficient number, since it is larger than the sum of its proper divisors (344981814364).

425663417636 is a wasteful number, since it uses less digits than its factorization.

425663417636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227011 (or 227009 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 53.

The spelling of 425663417636 in words is "four hundred twenty-five billion, six hundred sixty-three million, four hundred seventeen thousand, six hundred thirty-six".