63562573992996 has 567 divisors, whose sum is σ = 185773932247113. Its totient is φ = 19011814248960.

The previous prime is 63562573992989. The next prime is 63562573992997. The reversal of 63562573992996 is 69929937526536.

The square root of 63562573992996 is 7972614.

It is a perfect power (a square), and thus also a powerful number.

63562573992996 is a `hidden beast` number, since 6 + 35 + 6 + 2 + 573 + 9 + 9 + 2 + 9 + 9 + 6 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 47508127752996 + 16054446240000 = 6892614^2 + 4006800^2 .

It is a Harshad number since it is a multiple of its sum of digits (81).

Its product of digits (8928208800) is a multiple of the sum of its prime divisors (336).

It is not an unprimeable number, because it can be changed into a prime (63562573992997) by changing a digit.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 229467776010 + ... + 229467776286.

Almost surely, 2^{63562573992996} is an apocalyptic number.

63562573992996 is the 7972614-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63562573992996

63562573992996 is an abundant number, since it is smaller than the sum of its proper divisors (122211358254117).

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

63562573992996 is an equidigital number, since it uses as much as digits as its factorization.

63562573992996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 336 counting only the distinct ones).

The product of its digits is 8928208800, while the sum is 81.

63562573992996 divided by its sum of digits (81) gives a square (784723135716 = 885846²).

The spelling of 63562573992996 in words is "sixty-three trillion, five hundred sixty-two billion, five hundred seventy-three million, nine hundred ninety-two thousand, nine hundred ninety-six".