505004422513 has 2 divisors, whose sum is σ = 505004422514. Its totient is φ = 505004422512.

The previous prime is 505004422501. The next prime is 505004422597. The reversal of 505004422513 is 315224400505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312382623744 + 192621798769 = 558912^2 + 438887^2 .

It is a cyclic number.

It is not a de Polignac number, because 505004422513 - 2⁹ = 505004422001 is a prime.

It is not a weakly prime, because it can be changed into another prime (505004422613) 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, 252502211256 + 252502211257.

It is an arithmetic number, because the mean of its divisors is an integer number (252502211257).

Almost surely, 2^505004422513 is an apocalyptic number.

It is an amenable number.

505004422513 is a deficient number, since it is larger than the sum of its proper divisors (1).

505004422513 is an equidigital number, since it uses as much as digits as its factorization.

505004422513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 505004422513 in words is "five hundred five billion, four million, four hundred twenty-two thousand, five hundred thirteen".