63145817368 has 64 divisors (see below), whose sum is σ = 126112140000. Its totient is φ = 29557527552.

The previous prime is 63145817353. The next prime is 63145817407. The reversal of 63145817368 is 86371854136.

It is a happy number.

63145817368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 4454580 + ... + 4468732.

Almost surely, 2^63145817368 is an apocalyptic number.

It is an amenable number.

63145817368 is a deficient number, since it is larger than the sum of its proper divisors (62966322632).

63145817368 is a wasteful number, since it uses less digits than its factorization.

63145817368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14524 (or 14520 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 63145817368 in words is "sixty-three billion, one hundred forty-five million, eight hundred seventeen thousand, three hundred sixty-eight".