13112323249 has 2 divisors, whose sum is σ = 13112323250. Its totient is φ = 13112323248.

The previous prime is 13112323229. The next prime is 13112323277. The reversal of 13112323249 is 94232321131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12677183649 + 435139600 = 112593^2 + 20860^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112323249 - 2¹⁵ = 13112290481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13112323249.

It is not a weakly prime, because it can be changed into another prime (13112323229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556161624 + 6556161625.

It is an arithmetic number, because the mean of its divisors is an integer number (6556161625).

Almost surely, 2^13112323249 is an apocalyptic number.

It is an amenable number.

13112323249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112323249 is an equidigital number, since it uses as much as digits as its factorization.

13112323249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The spelling of 13112323249 in words is "thirteen billion, one hundred twelve million, three hundred twenty-three thousand, two hundred forty-nine".