63712562646 has 8 divisors (see below), whose sum is σ = 127425125304. Its totient is φ = 21237520880.

The previous prime is 63712562561. The next prime is 63712562681. The reversal of 63712562646 is 64626521736.

It is a sphenic number, since it is the product of 3 distinct primes.

63712562646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 63712562595 and 63712562604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5309380215 + ... + 5309380226.

It is an arithmetic number, because the mean of its divisors is an integer number (15928140663).

Almost surely, 2^63712562646 is an apocalyptic number.

63712562646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63712562646 is a wasteful number, since it uses less digits than its factorization.

63712562646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618760446.

The product of its digits is 2177280, while the sum is 48.

The spelling of 63712562646 in words is "sixty-three billion, seven hundred twelve million, five hundred sixty-two thousand, six hundred forty-six".