495961899263 has 2 divisors, whose sum is σ = 495961899264. Its totient is φ = 495961899262.

The previous prime is 495961899247. The next prime is 495961899281. The reversal of 495961899263 is 362998169594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495961899263 - 2⁴ = 495961899247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495961829263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247980949631 + 247980949632.

It is an arithmetic number, because the mean of its divisors is an integer number (247980949632).

Almost surely, 2^495961899263 is an apocalyptic number.

495961899263 is a deficient number, since it is larger than the sum of its proper divisors (1).

495961899263 is an equidigital number, since it uses as much as digits as its factorization.

495961899263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226748160, while the sum is 71.

The spelling of 495961899263 in words is "four hundred ninety-five billion, nine hundred sixty-one million, eight hundred ninety-nine thousand, two hundred sixty-three".