504721423163 has 2 divisors, whose sum is σ = 504721423164. Its totient is φ = 504721423162.

The previous prime is 504721423147. The next prime is 504721423181. The reversal of 504721423163 is 361324127405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504721423163 - 2⁴ = 504721423147 is a prime.

It is a super-2 number, since 2×504721423163² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (504721423763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252360711581 + 252360711582.

It is an arithmetic number, because the mean of its divisors is an integer number (252360711582).

Almost surely, 2^504721423163 is an apocalyptic number.

504721423163 is a deficient number, since it is larger than the sum of its proper divisors (1).

504721423163 is an equidigital number, since it uses as much as digits as its factorization.

504721423163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 504721423163 in words is "five hundred four billion, seven hundred twenty-one million, four hundred twenty-three thousand, one hundred sixty-three".