172306452319 has 2 divisors, whose sum is σ = 172306452320. Its totient is φ = 172306452318.

The previous prime is 172306452211. The next prime is 172306452337. The reversal of 172306452319 is 913254603271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172306452319 - 2⁷ = 172306452191 is a prime.

It is a super-2 number, since 2×172306452319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172306452349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86153226159 + 86153226160.

It is an arithmetic number, because the mean of its divisors is an integer number (86153226160).

Almost surely, 2^172306452319 is an apocalyptic number.

172306452319 is a deficient number, since it is larger than the sum of its proper divisors (1).

172306452319 is an equidigital number, since it uses as much as digits as its factorization.

172306452319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 172306452319 in words is "one hundred seventy-two billion, three hundred six million, four hundred fifty-two thousand, three hundred nineteen".