13091413389749 has 2 divisors, whose sum is σ = 13091413389750. Its totient is φ = 13091413389748.

The previous prime is 13091413389689. The next prime is 13091413389763. The reversal of 13091413389749 is 94798331419031.

13091413389749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12331826188900 + 759587200849 = 3511670^2 + 871543^2 .

It is a cyclic number.

It is not a de Polignac number, because 13091413389749 - 2²⁴ = 13091396612533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13091413389691 and 13091413389700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13091413389779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6545706694874 + 6545706694875.

It is an arithmetic number, because the mean of its divisors is an integer number (6545706694875).

Almost surely, 2^{13091413389749} is an apocalyptic number.

It is an amenable number.

13091413389749 is a deficient number, since it is larger than the sum of its proper divisors (1).

13091413389749 is an equidigital number, since it uses as much as digits as its factorization.

13091413389749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 13091413389749 in words is "thirteen trillion, ninety-one billion, four hundred thirteen million, three hundred eighty-nine thousand, seven hundred forty-nine".