13468526749 has 2 divisors, whose sum is σ = 13468526750. Its totient is φ = 13468526748.

The previous prime is 13468526707. The next prime is 13468526821. The reversal of 13468526749 is 94762586431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8523905625 + 4944621124 = 92325^2 + 70318^2 .

It is a cyclic number.

It is not a de Polignac number, because 13468526749 - 2²³ = 13460138141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13468526749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13468526849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6734263374 + 6734263375.

It is an arithmetic number, because the mean of its divisors is an integer number (6734263375).

Almost surely, 2^13468526749 is an apocalyptic number.

It is an amenable number.

13468526749 is a deficient number, since it is larger than the sum of its proper divisors (1).

13468526749 is an equidigital number, since it uses as much as digits as its factorization.

13468526749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The spelling of 13468526749 in words is "thirteen billion, four hundred sixty-eight million, five hundred twenty-six thousand, seven hundred forty-nine".