63315297605 has 48 divisors (see below), whose sum is σ = 90990957312. Its totient is φ = 41422348800.

The previous prime is 63315297601. The next prime is 63315297631. The reversal of 63315297605 is 50679251336.

It is not a de Polignac number, because 63315297605 - 2² = 63315297601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63315297605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63315297601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2374829 + ... + 2401341.

It is an arithmetic number, because the mean of its divisors is an integer number (1895644944).

Almost surely, 2^63315297605 is an apocalyptic number.

It is an amenable number.

63315297605 is a deficient number, since it is larger than the sum of its proper divisors (27675659707).

63315297605 is a wasteful number, since it uses less digits than its factorization.

63315297605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26658 (or 26627 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 63315297605 in words is "sixty-three billion, three hundred fifteen million, two hundred ninety-seven thousand, six hundred five".