63410639221 has 16 divisors (see below), whose sum is σ = 65825095680. Its totient is φ = 61019918640.

The previous prime is 63410639207. The next prime is 63410639261. The reversal of 63410639221 is 12293601436.

63410639221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 63410639221 - 2¹⁷ = 63410508149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63410639261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6236740 + ... + 6246898.

It is an arithmetic number, because the mean of its divisors is an integer number (4114068480).

Almost surely, 2^63410639221 is an apocalyptic number.

It is an amenable number.

63410639221 is a deficient number, since it is larger than the sum of its proper divisors (2414456459).

63410639221 is a wasteful number, since it uses less digits than its factorization.

63410639221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11304.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 63410639221 in words is "sixty-three billion, four hundred ten million, six hundred thirty-nine thousand, two hundred twenty-one".