63285403556 has 12 divisors (see below), whose sum is σ = 113105827968. Its totient is φ = 30969452712.

The previous prime is 63285403543. The next prime is 63285403591. The reversal of 63285403556 is 65530458236.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 63285403556.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168312056 + ... + 168312431.

It is an arithmetic number, because the mean of its divisors is an integer number (9425485664).

Almost surely, 2^63285403556 is an apocalyptic number.

It is an amenable number.

63285403556 is a deficient number, since it is larger than the sum of its proper divisors (49820424412).

63285403556 is a wasteful number, since it uses less digits than its factorization.

63285403556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336624538 (or 336624536 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 63285403556 in words is "sixty-three billion, two hundred eighty-five million, four hundred three thousand, five hundred fifty-six".