13021752193 has 2 divisors, whose sum is σ = 13021752194. Its totient is φ = 13021752192.

The previous prime is 13021752187. The next prime is 13021752203. The reversal of 13021752193 is 39125712031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11574101889 + 1447650304 = 107583^2 + 38048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13021752193 is a prime.

It is not a weakly prime, because it can be changed into another prime (13021752113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510876096 + 6510876097.

It is an arithmetic number, because the mean of its divisors is an integer number (6510876097).

Almost surely, 2^13021752193 is an apocalyptic number.

It is an amenable number.

13021752193 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021752193 is an equidigital number, since it uses as much as digits as its factorization.

13021752193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 13021752193 in words is "thirteen billion, twenty-one million, seven hundred fifty-two thousand, one hundred ninety-three".