13391968149 has 24 divisors (see below), whose sum is σ = 22482083520. Its totient is φ = 7522846848.

The previous prime is 13391968147. The next prime is 13391968159. The reversal of 13391968149 is 94186919331.

13391968149 is a `hidden beast` number, since 1 + 339 + 196 + 81 + 49 = 666.

It is not a de Polignac number, because 13391968149 - 2¹ = 13391968147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13391968095 and 13391968104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13391968141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1797732 + ... + 1805165.

It is an arithmetic number, because the mean of its divisors is an integer number (936753480).

Almost surely, 2^13391968149 is an apocalyptic number.

It is an amenable number.

13391968149 is a deficient number, since it is larger than the sum of its proper divisors (9090115371).

13391968149 is a wasteful number, since it uses less digits than its factorization.

13391968149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602969 (or 3602966 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The spelling of 13391968149 in words is "thirteen billion, three hundred ninety-one million, nine hundred sixty-eight thousand, one hundred forty-nine".