13033313173 has 2 divisors, whose sum is σ = 13033313174. Its totient is φ = 13033313172.

The previous prime is 13033313089. The next prime is 13033313179. The reversal of 13033313173 is 37131333031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9618313329 + 3414999844 = 98073^2 + 58438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13033313173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13033313179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516656586 + 6516656587.

It is an arithmetic number, because the mean of its divisors is an integer number (6516656587).

Almost surely, 2^13033313173 is an apocalyptic number.

It is an amenable number.

13033313173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13033313173 is an equidigital number, since it uses as much as digits as its factorization.

13033313173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 28.

The spelling of 13033313173 in words is "thirteen billion, thirty-three million, three hundred thirteen thousand, one hundred seventy-three".