505376673499 has 2 divisors, whose sum is σ = 505376673500. Its totient is φ = 505376673498.

The previous prime is 505376673497. The next prime is 505376673521. The reversal of 505376673499 is 994376673505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505376673499 - 2¹ = 505376673497 is a prime.

Together with 505376673497, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 505376673499.

It is not a weakly prime, because it can be changed into another prime (505376673497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252688336749 + 252688336750.

It is an arithmetic number, because the mean of its divisors is an integer number (252688336750).

Almost surely, 2^505376673499 is an apocalyptic number.

505376673499 is a deficient number, since it is larger than the sum of its proper divisors (1).

505376673499 is an equidigital number, since it uses as much as digits as its factorization.

505376673499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128595600, while the sum is 64.

The spelling of 505376673499 in words is "five hundred five billion, three hundred seventy-six million, six hundred seventy-three thousand, four hundred ninety-nine".