504675172691 has 2 divisors, whose sum is σ = 504675172692. Its totient is φ = 504675172690.

The previous prime is 504675172663. The next prime is 504675172697. The reversal of 504675172691 is 196271576405.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504675172691 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (504675172697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252337586345 + 252337586346.

It is an arithmetic number, because the mean of its divisors is an integer number (252337586346).

Almost surely, 2^504675172691 is an apocalyptic number.

504675172691 is a deficient number, since it is larger than the sum of its proper divisors (1).

504675172691 is an equidigital number, since it uses as much as digits as its factorization.

504675172691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 504675172691 in words is "five hundred four billion, six hundred seventy-five million, one hundred seventy-two thousand, six hundred ninety-one".