12632563369 has 2 divisors, whose sum is σ = 12632563370. Its totient is φ = 12632563368.

The previous prime is 12632563343. The next prime is 12632563373. The reversal of 12632563369 is 96336523621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12502146969 + 130416400 = 111813^2 + 11420^2 .

It is a cyclic number.

It is not a de Polignac number, because 12632563369 - 2¹¹ = 12632561321 is a prime.

It is a super-2 number, since 2×12632563369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12632563319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316281684 + 6316281685.

It is an arithmetic number, because the mean of its divisors is an integer number (6316281685).

Almost surely, 2^12632563369 is an apocalyptic number.

It is an amenable number.

12632563369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12632563369 is an equidigital number, since it uses as much as digits as its factorization.

12632563369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 46.

The spelling of 12632563369 in words is "twelve billion, six hundred thirty-two million, five hundred sixty-three thousand, three hundred sixty-nine".