495917148239 has 2 divisors, whose sum is σ = 495917148240. Its totient is φ = 495917148238.

The previous prime is 495917148217. The next prime is 495917148271. The reversal of 495917148239 is 932841719594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495917148239 - 2²⁰ = 495916099663 is a prime.

It is a super-2 number, since 2×495917148239² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495917148739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247958574119 + 247958574120.

It is an arithmetic number, because the mean of its divisors is an integer number (247958574120).

Almost surely, 2^495917148239 is an apocalyptic number.

495917148239 is a deficient number, since it is larger than the sum of its proper divisors (1).

495917148239 is an equidigital number, since it uses as much as digits as its factorization.

495917148239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 62.

The spelling of 495917148239 in words is "four hundred ninety-five billion, nine hundred seventeen million, one hundred forty-eight thousand, two hundred thirty-nine".