493179173 has 2 divisors, whose sum is σ = 493179174. Its totient is φ = 493179172.

The previous prime is 493179139. The next prime is 493179199. The reversal of 493179173 is 371971394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491154244 + 2024929 = 22162^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 493179173 - 2⁶ = 493179109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493179103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246589586 + 246589587.

It is an arithmetic number, because the mean of its divisors is an integer number (246589587).

Almost surely, 2^493179173 is an apocalyptic number.

It is an amenable number.

493179173 is a deficient number, since it is larger than the sum of its proper divisors (1).

493179173 is an equidigital number, since it uses as much as digits as its factorization.

493179173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 44.

The square root of 493179173 is about 22207.6377176862. The cubic root of 493179173 is about 790.0748596476.

The spelling of 493179173 in words is "four hundred ninety-three million, one hundred seventy-nine thousand, one hundred seventy-three".