63421555014 has 16 divisors (see below), whose sum is σ = 140936789040. Its totient is φ = 21140518320.

The previous prime is 63421555009. The next prime is 63421555031. The reversal of 63421555014 is 41055512436.

63421555014 is a `hidden beast` number, since 63 + 42 + 1 + 5 + 550 + 1 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 63421555014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587236567 + ... + 587236674.

It is an arithmetic number, because the mean of its divisors is an integer number (8808549315).

Almost surely, 2^63421555014 is an apocalyptic number.

63421555014 is an abundant number, since it is smaller than the sum of its proper divisors (77515234026).

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

63421555014 is a wasteful number, since it uses less digits than its factorization.

63421555014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174473252 (or 1174473246 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 63421555014 in words is "sixty-three billion, four hundred twenty-one million, five hundred fifty-five thousand, fourteen".