63813262625 has 16 divisors (see below), whose sum is σ = 91015946112. Its totient is φ = 43757665200.

The previous prime is 63813262589. The next prime is 63813262679. The reversal of 63813262625 is 52626231836.

63813262625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63813262625 - 2⁸ = 63813262369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36463847 + ... + 36465596.

It is an arithmetic number, because the mean of its divisors is an integer number (5688496632).

Almost surely, 2^63813262625 is an apocalyptic number.

It is an amenable number.

63813262625 is a deficient number, since it is larger than the sum of its proper divisors (27202683487).

63813262625 is an equidigital number, since it uses as much as digits as its factorization.

63813262625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72929465 (or 72929455 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The spelling of 63813262625 in words is "sixty-three billion, eight hundred thirteen million, two hundred sixty-two thousand, six hundred twenty-five".