505249964719 has 2 divisors, whose sum is σ = 505249964720. Its totient is φ = 505249964718.

The previous prime is 505249964717. The next prime is 505249964743. The reversal of 505249964719 is 917469942505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505249964719 - 2¹ = 505249964717 is a prime.

It is a super-2 number, since 2×505249964719² (a number of 24 digits) contains 22 as substring.

Together with 505249964717, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505249964717) 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, 252624982359 + 252624982360.

It is an arithmetic number, because the mean of its divisors is an integer number (252624982360).

Almost surely, 2^505249964719 is an apocalyptic number.

505249964719 is a deficient number, since it is larger than the sum of its proper divisors (1).

505249964719 is an equidigital number, since it uses as much as digits as its factorization.

505249964719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 505249964719 in words is "five hundred five billion, two hundred forty-nine million, nine hundred sixty-four thousand, seven hundred nineteen".