13089168749 has 2 divisors, whose sum is σ = 13089168750. Its totient is φ = 13089168748.

The previous prime is 13089168737. The next prime is 13089168817. The reversal of 13089168749 is 94786198031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6836313124 + 6252855625 = 82682^2 + 79075^2 .

It is a cyclic number.

It is not a de Polignac number, because 13089168749 - 2⁸ = 13089168493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13089168694 and 13089168703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13089068749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6544584374 + 6544584375.

It is an arithmetic number, because the mean of its divisors is an integer number (6544584375).

Almost surely, 2^13089168749 is an apocalyptic number.

It is an amenable number.

13089168749 is a deficient number, since it is larger than the sum of its proper divisors (1).

13089168749 is an equidigital number, since it uses as much as digits as its factorization.

13089168749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 13089168749 in words is "thirteen billion, eighty-nine million, one hundred sixty-eight thousand, seven hundred forty-nine".