63425205625 has 40 divisors (see below), whose sum is σ = 82440610560. Its totient is φ = 48726600000.

The previous prime is 63425205587. The next prime is 63425205673. The reversal of 63425205625 is 52650252436.

It is not a de Polignac number, because 63425205625 - 2²⁷ = 63290987897 is a prime.

It is a super-3 number, since 3×63425205625³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2525631 + ... + 2550619.

It is an arithmetic number, because the mean of its divisors is an integer number (2061015264).

Almost surely, 2^63425205625 is an apocalyptic number.

It is an amenable number.

63425205625 is a deficient number, since it is larger than the sum of its proper divisors (19015404935).

63425205625 is a wasteful number, since it uses less digits than its factorization.

63425205625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25171 (or 25156 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 63425205625 in words is "sixty-three billion, four hundred twenty-five million, two hundred five thousand, six hundred twenty-five".