13361247149 has 2 divisors, whose sum is σ = 13361247150. Its totient is φ = 13361247148.

The previous prime is 13361247139. The next prime is 13361247269. The reversal of 13361247149 is 94174216331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13158384100 + 202863049 = 114710^2 + 14243^2 .

It is a cyclic number.

It is not a de Polignac number, because 13361247149 - 2²⁴ = 13344469933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13361247139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6680623574 + 6680623575.

It is an arithmetic number, because the mean of its divisors is an integer number (6680623575).

Almost surely, 2^13361247149 is an apocalyptic number.

It is an amenable number.

13361247149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13361247149 is an equidigital number, since it uses as much as digits as its factorization.

13361247149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The spelling of 13361247149 in words is "thirteen billion, three hundred sixty-one million, two hundred forty-seven thousand, one hundred forty-nine".