63319399680 has 288 divisors, whose sum is σ = 209510719488. Its totient is φ = 16280985600.

The previous prime is 63319399679. The next prime is 63319399721. The reversal of 63319399680 is 8699391336.

It is a self number, because there is not a number n which added to its sum of digits gives 63319399680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39401437 + ... + 39403043.

It is an arithmetic number, because the mean of its divisors is an integer number (727467776).

Almost surely, 2^63319399680 is an apocalyptic number.

63319399680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63319399680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104755359744).

63319399680 is an abundant number, since it is smaller than the sum of its proper divisors (146191319808).

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

63319399680 is a wasteful number, since it uses less digits than its factorization.

63319399680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 57.

The spelling of 63319399680 in words is "sixty-three billion, three hundred nineteen million, three hundred ninety-nine thousand, six hundred eighty".