63413718816 has 48 divisors (see below), whose sum is σ = 190241158464. Its totient is φ = 18118205184.

The previous prime is 63413718769. The next prime is 63413718827. The reversal of 63413718816 is 61881731436.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47182155 + ... + 47183498.

It is an arithmetic number, because the mean of its divisors is an integer number (3963357468).

Almost surely, 2^63413718816 is an apocalyptic number.

It is an amenable number.

63413718816 is an abundant number, since it is smaller than the sum of its proper divisors (126827439648).

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

63413718816 is a wasteful number, since it uses less digits than its factorization.

63413718816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94365673 (or 94365665 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The spelling of 63413718816 in words is "sixty-three billion, four hundred thirteen million, seven hundred eighteen thousand, eight hundred sixteen".