495380502173 has 2 divisors, whose sum is σ = 495380502174. Its totient is φ = 495380502172.

The previous prime is 495380502083. The next prime is 495380502223. The reversal of 495380502173 is 371205083594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266707174969 + 228673327204 = 516437^2 + 478198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495380502173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495380504173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247690251086 + 247690251087.

It is an arithmetic number, because the mean of its divisors is an integer number (247690251087).

Almost surely, 2^495380502173 is an apocalyptic number.

It is an amenable number.

495380502173 is a deficient number, since it is larger than the sum of its proper divisors (1).

495380502173 is an equidigital number, since it uses as much as digits as its factorization.

495380502173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 495380502173 in words is "four hundred ninety-five billion, three hundred eighty million, five hundred two thousand, one hundred seventy-three".