63145839792 has 120 divisors (see below), whose sum is σ = 192359662896. Its totient is φ = 17794473984.

The previous prime is 63145839773. The next prime is 63145839821. The reversal of 63145839792 is 29793854136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12193 + ... + 355584.

Almost surely, 2^63145839792 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 63145839792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96179831448).

63145839792 is an abundant number, since it is smaller than the sum of its proper divisors (129213823104).

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

63145839792 is a wasteful number, since it uses less digits than its factorization.

63145839792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367875 (or 367862 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 63145839792 in words is "sixty-three billion, one hundred forty-five million, eight hundred thirty-nine thousand, seven hundred ninety-two".