495671409131 has 2 divisors, whose sum is σ = 495671409132. Its totient is φ = 495671409130.

The previous prime is 495671409109. The next prime is 495671409161. The reversal of 495671409131 is 131904176594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495671409131 - 2³⁴ = 478491539947 is a prime.

It is a super-2 number, since 2×495671409131² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 495671409131.

It is not a weakly prime, because it can be changed into another prime (495671409161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247835704565 + 247835704566.

It is an arithmetic number, because the mean of its divisors is an integer number (247835704566).

Almost surely, 2^495671409131 is an apocalyptic number.

495671409131 is a deficient number, since it is larger than the sum of its proper divisors (1).

495671409131 is an equidigital number, since it uses as much as digits as its factorization.

495671409131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 495671409131 in words is "four hundred ninety-five billion, six hundred seventy-one million, four hundred nine thousand, one hundred thirty-one".