504721232479 has 2 divisors, whose sum is σ = 504721232480. Its totient is φ = 504721232478.

The previous prime is 504721232377. The next prime is 504721232497. The reversal of 504721232479 is 974232127405.

Together with next prime (504721232497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504721232479 - 2¹⁷ = 504721101407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504721235479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252360616239 + 252360616240.

It is an arithmetic number, because the mean of its divisors is an integer number (252360616240).

Almost surely, 2^504721232479 is an apocalyptic number.

504721232479 is a deficient number, since it is larger than the sum of its proper divisors (1).

504721232479 is an equidigital number, since it uses as much as digits as its factorization.

504721232479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 504721232479 in words is "five hundred four billion, seven hundred twenty-one million, two hundred thirty-two thousand, four hundred seventy-nine".