63015243564 has 96 divisors (see below), whose sum is σ = 182269212160. Its totient is φ = 16499801088.

The previous prime is 63015243563. The next prime is 63015243589. The reversal of 63015243564 is 46534251036.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (63015243563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55789 + ... + 359364.

Almost surely, 2^63015243564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63015243564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91134606080).

63015243564 is an abundant number, since it is smaller than the sum of its proper divisors (119253968596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63015243564 is a wasteful number, since it uses less digits than its factorization.

63015243564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415319 (or 415317 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 63015243564 in words is "sixty-three billion, fifteen million, two hundred forty-three thousand, five hundred sixty-four".