13149071933 has 2 divisors, whose sum is σ = 13149071934. Its totient is φ = 13149071932.

The previous prime is 13149071921. The next prime is 13149071959. The reversal of 13149071933 is 33917094131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8500286809 + 4648785124 = 92197^2 + 68182^2 .

It is a cyclic number.

It is not a de Polignac number, because 13149071933 - 2¹² = 13149067837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13149071233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6574535966 + 6574535967.

It is an arithmetic number, because the mean of its divisors is an integer number (6574535967).

Almost surely, 2^13149071933 is an apocalyptic number.

It is an amenable number.

13149071933 is a deficient number, since it is larger than the sum of its proper divisors (1).

13149071933 is an equidigital number, since it uses as much as digits as its factorization.

13149071933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The spelling of 13149071933 in words is "thirteen billion, one hundred forty-nine million, seventy-one thousand, nine hundred thirty-three".