173264406313 has 2 divisors, whose sum is σ = 173264406314. Its totient is φ = 173264406312.

The previous prime is 173264406251. The next prime is 173264406323. The reversal of 173264406313 is 313604462371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172813141264 + 451265049 = 415708^2 + 21243^2 .

It is a cyclic number.

It is not a de Polignac number, because 173264406313 - 2⁹ = 173264405801 is a prime.

It is not a weakly prime, because it can be changed into another prime (173264406323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86632203156 + 86632203157.

It is an arithmetic number, because the mean of its divisors is an integer number (86632203157).

Almost surely, 2^173264406313 is an apocalyptic number.

It is an amenable number.

173264406313 is a deficient number, since it is larger than the sum of its proper divisors (1).

173264406313 is an equidigital number, since it uses as much as digits as its factorization.

173264406313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 40.

Adding to 173264406313 its reverse (313604462371), we get a palindrome (486868868684).

The spelling of 173264406313 in words is "one hundred seventy-three billion, two hundred sixty-four million, four hundred six thousand, three hundred thirteen".