63187647235063 has 4 divisors (see below), whose sum is σ = 68048235483928. Its totient is φ = 58327058986200.

The previous prime is 63187647235007. The next prime is 63187647235171. The reversal of 63187647235063 is 36053274678136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63187647235063 is a prime.

It is a super-2 number, since 2×63187647235063² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63187647234992 and 63187647235010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63187647235763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2430294124413 + ... + 2430294124438.

It is an arithmetic number, because the mean of its divisors is an integer number (17012058870982).

Almost surely, 2^{63187647235063} is an apocalyptic number.

63187647235063 is a deficient number, since it is larger than the sum of its proper divisors (4860588248865).

63187647235063 is a wasteful number, since it uses less digits than its factorization.

63187647235063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860588248864.

The product of its (nonzero) digits is 91445760, while the sum is 61.

The spelling of 63187647235063 in words is "sixty-three trillion, one hundred eighty-seven billion, six hundred forty-seven million, two hundred thirty-five thousand, sixty-three".