504481764491 has 2 divisors, whose sum is σ = 504481764492. Its totient is φ = 504481764490.

The previous prime is 504481764473. The next prime is 504481764497. The reversal of 504481764491 is 194467184405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504481764491 - 2⁶ = 504481764427 is a prime.

It is not a weakly prime, because it can be changed into another prime (504481764497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252240882245 + 252240882246.

It is an arithmetic number, because the mean of its divisors is an integer number (252240882246).

Almost surely, 2^504481764491 is an apocalyptic number.

504481764491 is a deficient number, since it is larger than the sum of its proper divisors (1).

504481764491 is an equidigital number, since it uses as much as digits as its factorization.

504481764491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 504481764491 in words is "five hundred four billion, four hundred eighty-one million, seven hundred sixty-four thousand, four hundred ninety-one".