63255719425 has 24 divisors (see below), whose sum is σ = 80378417952. Its totient is φ = 49352976000.

The previous prime is 63255719413. The next prime is 63255719431. The reversal of 63255719425 is 52491755236.

63255719425 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 63255719425 - 2⁷ = 63255719297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3446122 + ... + 3464428.

It is an arithmetic number, because the mean of its divisors is an integer number (3349100748).

Almost surely, 2^63255719425 is an apocalyptic number.

It is an amenable number.

63255719425 is a deficient number, since it is larger than the sum of its proper divisors (17122698527).

63255719425 is a wasteful number, since it uses less digits than its factorization.

63255719425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21729 (or 21724 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 49.

The spelling of 63255719425 in words is "sixty-three billion, two hundred fifty-five million, seven hundred nineteen thousand, four hundred twenty-five".