63564370503 has 16 divisors (see below), whose sum is σ = 85616079456. Its totient is φ = 41944694400.

The previous prime is 63564370501. The next prime is 63564370543. The reversal of 63564370503 is 30507346536.

It is not a de Polignac number, because 63564370503 - 2¹ = 63564370501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63564370501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103001 + ... + 1159197.

It is an arithmetic number, because the mean of its divisors is an integer number (5351004966).

Almost surely, 2^63564370503 is an apocalyptic number.

63564370503 is a deficient number, since it is larger than the sum of its proper divisors (22051708953).

63564370503 is a wasteful number, since it uses less digits than its factorization.

63564370503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60034.

The product of its (nonzero) digits is 680400, while the sum is 42.

The spelling of 63564370503 in words is "sixty-three billion, five hundred sixty-four million, three hundred seventy thousand, five hundred three".