63934133904 has 135 divisors (see below), whose sum is σ = 189010051113. Its totient is φ = 20171521152.

The previous prime is 63934133891. The next prime is 63934133911. The reversal of 63934133904 is 40933143936.

The square root of 63934133904 is 252852.

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

63934133904 is a `hidden beast` number, since 63 + 93 + 413 + 3 + 90 + 4 = 666.

63934133904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1033493904 + 62900640000 = 32148^2 + 250800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63934133904.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 57649702 + ... + 57650810.

Almost surely, 2^63934133904 is an apocalyptic number.

63934133904 is the 252852-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63934133904

63934133904 is an abundant number, since it is smaller than the sum of its proper divisors (125075917209).

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

63934133904 is a wasteful number, since it uses less digits than its factorization.

63934133904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 45.

The spelling of 63934133904 in words is "sixty-three billion, nine hundred thirty-four million, one hundred thirty-three thousand, nine hundred four".