13146965173 has 2 divisors, whose sum is σ = 13146965174. Its totient is φ = 13146965172.

The previous prime is 13146965123. The next prime is 13146965189. The reversal of 13146965173 is 37156964131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10523271889 + 2623693284 = 102583^2 + 51222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13146965173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13146965123) 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 as a sum of consecutive naturals, namely, 6573482586 + 6573482587.

It is an arithmetic number, because the mean of its divisors is an integer number (6573482587).

Almost surely, 2^13146965173 is an apocalyptic number.

It is an amenable number.

13146965173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13146965173 is an equidigital number, since it uses as much as digits as its factorization.

13146965173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The spelling of 13146965173 in words is "thirteen billion, one hundred forty-six million, nine hundred sixty-five thousand, one hundred seventy-three".