12633767279 has 16 divisors (see below), whose sum is σ = 14681012736. Its totient is φ = 10647266400.

The previous prime is 12633767257. The next prime is 12633767303. The reversal of 12633767279 is 97276733621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12633767279 is a prime.

It is a super-2 number, since 2×12633767279² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12633767279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633764279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638824 + ... + 1646514.

It is an arithmetic number, because the mean of its divisors is an integer number (917563296).

Almost surely, 2^12633767279 is an apocalyptic number.

12633767279 is a deficient number, since it is larger than the sum of its proper divisors (2047245457).

12633767279 is an equidigital number, since it uses as much as digits as its factorization.

12633767279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606.

The product of its digits is 4000752, while the sum is 53.

The spelling of 12633767279 in words is "twelve billion, six hundred thirty-three million, seven hundred sixty-seven thousand, two hundred seventy-nine".