505708712699 has 2 divisors, whose sum is σ = 505708712700. Its totient is φ = 505708712698.

The previous prime is 505708712689. The next prime is 505708712701. The reversal of 505708712699 is 996217807505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505708712699 - 2⁴ = 505708712683 is a prime.

Together with 505708712701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505708712629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252854356349 + 252854356350.

It is an arithmetic number, because the mean of its divisors is an integer number (252854356350).

Almost surely, 2^505708712699 is an apocalyptic number.

505708712699 is a deficient number, since it is larger than the sum of its proper divisors (1).

505708712699 is an equidigital number, since it uses as much as digits as its factorization.

505708712699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 59.

The spelling of 505708712699 in words is "five hundred five billion, seven hundred eight million, seven hundred twelve thousand, six hundred ninety-nine".