12632985637 has 2 divisors, whose sum is σ = 12632985638. Its totient is φ = 12632985636.

The previous prime is 12632985623. The next prime is 12632985643. The reversal of 12632985637 is 73658923621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6856833636 + 5776152001 = 82806^2 + 76001^2 .

It is an emirp because it is prime and its reverse (73658923621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12632985637 - 2⁷ = 12632985509 is a prime.

It is a super-2 number, since 2×12632985637² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12632985647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316492818 + 6316492819.

It is an arithmetic number, because the mean of its divisors is an integer number (6316492819).

Almost surely, 2^12632985637 is an apocalyptic number.

It is an amenable number.

12632985637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12632985637 is an equidigital number, since it uses as much as digits as its factorization.

12632985637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The spelling of 12632985637 in words is "twelve billion, six hundred thirty-two million, nine hundred eighty-five thousand, six hundred thirty-seven".