509094276931 has 2 divisors, whose sum is σ = 509094276932. Its totient is φ = 509094276930.

The previous prime is 509094276923. The next prime is 509094276953. The reversal of 509094276931 is 139672490905.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 509094276931 - 2³ = 509094276923 is a prime.

It is a super-2 number, since 2×509094276931² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (509094276631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254547138465 + 254547138466.

It is an arithmetic number, because the mean of its divisors is an integer number (254547138466).

Almost surely, 2^509094276931 is an apocalyptic number.

509094276931 is a deficient number, since it is larger than the sum of its proper divisors (1).

509094276931 is an equidigital number, since it uses as much as digits as its factorization.

509094276931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 509094276931 in words is "five hundred nine billion, ninety-four million, two hundred seventy-six thousand, nine hundred thirty-one".