509127915041 has 2 divisors, whose sum is σ = 509127915042. Its totient is φ = 509127915040.

The previous prime is 509127915013. The next prime is 509127915071. The reversal of 509127915041 is 140519721905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369061110016 + 140066805025 = 607504^2 + 374255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-509127915041 is a prime.

It is a super-2 number, since 2×509127915041² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 509127914983 and 509127915001.

It is not a weakly prime, because it can be changed into another prime (509127915071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254563957520 + 254563957521.

It is an arithmetic number, because the mean of its divisors is an integer number (254563957521).

Almost surely, 2^509127915041 is an apocalyptic number.

It is an amenable number.

509127915041 is a deficient number, since it is larger than the sum of its proper divisors (1).

509127915041 is an equidigital number, since it uses as much as digits as its factorization.

509127915041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 44.

The spelling of 509127915041 in words is "five hundred nine billion, one hundred twenty-seven million, nine hundred fifteen thousand, forty-one".