63183985263 has 72 divisors (see below), whose sum is σ = 109929970176. Its totient is φ = 34832397600.

The previous prime is 63183985253. The next prime is 63183985279. The reversal of 63183985263 is 36258938136.

It is a happy number.

63183985263 is a `hidden beast` number, since 6 + 31 + 83 + 9 + 8 + 526 + 3 = 666.

It is not a de Polignac number, because 63183985263 - 2⁵ = 63183985231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63183985243) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4518120 + ... + 4532082.

Almost surely, 2^63183985263 is an apocalyptic number.

63183985263 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

63183985263 is a deficient number, since it is larger than the sum of its proper divisors (46745984913).

63183985263 is a wasteful number, since it uses less digits than its factorization.

63183985263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14345 (or 14335 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 63183985263 in words is "sixty-three billion, one hundred eighty-three million, nine hundred eighty-five thousand, two hundred sixty-three".