495648037517 has 2 divisors, whose sum is σ = 495648037518. Its totient is φ = 495648037516.

The previous prime is 495648037499. The next prime is 495648037529. The reversal of 495648037517 is 715730846594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475997885476 + 19650152041 = 689926^2 + 140179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495648037517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495648037597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247824018758 + 247824018759.

It is an arithmetic number, because the mean of its divisors is an integer number (247824018759).

Almost surely, 2^495648037517 is an apocalyptic number.

It is an amenable number.

495648037517 is a deficient number, since it is larger than the sum of its proper divisors (1).

495648037517 is an equidigital number, since it uses as much as digits as its factorization.

495648037517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 495648037517 in words is "four hundred ninety-five billion, six hundred forty-eight million, thirty-seven thousand, five hundred seventeen".