12633159638 has 12 divisors (see below), whose sum is σ = 20829052860. Its totient is φ = 5742345180.

The previous prime is 12633159619. The next prime is 12633159683. The reversal of 12633159638 is 83695133621.

It is a junction number, because it is equal to n+sod(n) for n = 12633159592 and 12633159601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26101328 + ... + 26101811.

It is an arithmetic number, because the mean of its divisors is an integer number (1735754405).

Almost surely, 2^12633159638 is an apocalyptic number.

12633159638 is a deficient number, since it is larger than the sum of its proper divisors (8195893222).

12633159638 is a wasteful number, since it uses less digits than its factorization.

12633159638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52203163 (or 52203152 counting only the distinct ones).

The product of its digits is 699840, while the sum is 47.

It can be divided in two parts, 12633 and 159638, that added together give a palindrome (172271).

The spelling of 12633159638 in words is "twelve billion, six hundred thirty-three million, one hundred fifty-nine thousand, six hundred thirty-eight".