63408891220900 has 243 divisors, whose sum is σ = 151134566066211. Its totient is φ = 23086242624000.

The previous prime is 63408891220879. The next prime is 63408891221003. The reversal of 63408891220900 is 902219880436.

The square root of 63408891220900 is 7962970.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1483197593956 + 61925693626944 = 1217866^2 + 7869288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 41964851145 + ... + 41964852655.

Almost surely, 2^{63408891220900} is an apocalyptic number.

63408891220900 is the 7962970-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63408891220900

63408891220900 is an abundant number, since it is smaller than the sum of its proper divisors (87725674845311).

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

63408891220900 is a wasteful number, since it uses less digits than its factorization.

63408891220900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 63408891220900 in words is "sixty-three trillion, four hundred eight billion, eight hundred ninety-one million, two hundred twenty thousand, nine hundred".