13512276989 has 2 divisors, whose sum is σ = 13512276990. Its totient is φ = 13512276988.

The previous prime is 13512276979. The next prime is 13512277033. The reversal of 13512276989 is 98967221531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9967027225 + 3545249764 = 99835^2 + 59542^2 .

It is a cyclic number.

It is not a de Polignac number, because 13512276989 - 2²⁰ = 13511228413 is a prime.

It is a super-2 number, since 2×13512276989² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13512276989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13512276919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756138494 + 6756138495.

It is an arithmetic number, because the mean of its divisors is an integer number (6756138495).

Almost surely, 2^13512276989 is an apocalyptic number.

It is an amenable number.

13512276989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13512276989 is an equidigital number, since it uses as much as digits as its factorization.

13512276989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The spelling of 13512276989 in words is "thirteen billion, five hundred twelve million, two hundred seventy-six thousand, nine hundred eighty-nine".