13384172993 has 2 divisors, whose sum is σ = 13384172994. Its totient is φ = 13384172992.

The previous prime is 13384172987. The next prime is 13384173031. The reversal of 13384172993 is 39927148331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8079672769 + 5304500224 = 89887^2 + 72832^2 .

It is a cyclic number.

It is not a de Polignac number, because 13384172993 - 2²⁴ = 13367395777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13384172293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6692086496 + 6692086497.

It is an arithmetic number, because the mean of its divisors is an integer number (6692086497).

Almost surely, 2^13384172993 is an apocalyptic number.

It is an amenable number.

13384172993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13384172993 is an equidigital number, since it uses as much as digits as its factorization.

13384172993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The spelling of 13384172993 in words is "thirteen billion, three hundred eighty-four million, one hundred seventy-two thousand, nine hundred ninety-three".