63338615338661 has 8 divisors (see below), whose sum is σ = 69497813057400. Its totient is φ = 57363274268352.

The previous prime is 63338615338651. The next prime is 63338615338751. The reversal of 63338615338661 is 16683351683336.

It can be written as a sum of positive squares in 4 ways, for example, as 24506163136900 + 38832452201761 = 4950370^2 + 6231569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63338615338661 - 2³⁰ = 63337541596837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63338615338594 and 63338615338603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63338615338601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45964161386 + ... + 45964162763.

It is an arithmetic number, because the mean of its divisors is an integer number (8687226632175).

Almost surely, 2^{63338615338661} is an apocalyptic number.

It is an amenable number.

63338615338661 is a deficient number, since it is larger than the sum of its proper divisors (6159197718739).

63338615338661 is a wasteful number, since it uses less digits than its factorization.

63338615338661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91928324215.

The product of its digits is 100776960, while the sum is 62.

The spelling of 63338615338661 in words is "sixty-three trillion, three hundred thirty-eight billion, six hundred fifteen million, three hundred thirty-eight thousand, six hundred sixty-one".