63163535231 has 8 divisors (see below), whose sum is σ = 65577486720. Its totient is φ = 60765310368.

The previous prime is 63163535161. The next prime is 63163535233. The reversal of 63163535231 is 13253536136.

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

It is a cyclic number.

It is not a de Polignac number, because 63163535231 - 2¹⁸ = 63163273087 is a prime.

It is a super-2 number, since 2×63163535231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63163535233) 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, 3923471 + ... + 3939536.

It is an arithmetic number, because the mean of its divisors is an integer number (8197185840).

Almost surely, 2^63163535231 is an apocalyptic number.

63163535231 is a deficient number, since it is larger than the sum of its proper divisors (2413951489).

63163535231 is a wasteful number, since it uses less digits than its factorization.

63163535231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863313.

The product of its digits is 145800, while the sum is 38.

The spelling of 63163535231 in words is "sixty-three billion, one hundred sixty-three million, five hundred thirty-five thousand, two hundred thirty-one".