63420450564504 has 128 divisors (see below), whose sum is σ = 173341461058560. Its totient is φ = 19176493440000.

The previous prime is 63420450564469. The next prime is 63420450564509. The reversal of 63420450564504 is 40546505402436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63420450564509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553007089 + ... + 553121759.

It is an arithmetic number, because the mean of its divisors is an integer number (1354230164520).

Almost surely, 2^{63420450564504} 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 63420450564504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86670730529280).

63420450564504 is an abundant number, since it is smaller than the sum of its proper divisors (109921010494056).

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

63420450564504 is a wasteful number, since it uses less digits than its factorization.

63420450564504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119233 (or 119229 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 63420450564504 in words is "sixty-three trillion, four hundred twenty billion, four hundred fifty million, five hundred sixty-four thousand, five hundred four".