63993265705413 has 24 divisors (see below), whose sum is σ = 104090707858176. Its totient is φ = 37532707156800.

The previous prime is 63993265705393. The next prime is 63993265705441. The reversal of 63993265705413 is 31450756239936.

63993265705413 is a `hidden beast` number, since 6 + 3 + 9 + 9 + 3 + 2 + 6 + 570 + 54 + 1 + 3 = 666.

It is not a de Polignac number, because 63993265705413 - 2⁵ = 63993265705381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63993265703413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10425748920 + ... + 10425755057.

It is an arithmetic number, because the mean of its divisors is an integer number (4337112827424).

Almost surely, 2^{63993265705413} is an apocalyptic number.

It is an amenable number.

63993265705413 is a deficient number, since it is larger than the sum of its proper divisors (40097442152763).

63993265705413 is a wasteful number, since it uses less digits than its factorization.

63993265705413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20851504025 (or 20851504022 counting only the distinct ones).

The product of its (nonzero) digits is 110224800, while the sum is 63.

The spelling of 63993265705413 in words is "sixty-three trillion, nine hundred ninety-three billion, two hundred sixty-five million, seven hundred five thousand, four hundred thirteen".