516239699 has 2 divisors, whose sum is σ = 516239700. Its totient is φ = 516239698.

The previous prime is 516239657. The next prime is 516239729. The reversal of 516239699 is 996932615.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516239699 is a prime.

It is a super-2 number, since 2×516239699² = 533006853647221202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (516239599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258119849 + 258119850.

It is an arithmetic number, because the mean of its divisors is an integer number (258119850).

Almost surely, 2^516239699 is an apocalyptic number.

516239699 is a deficient number, since it is larger than the sum of its proper divisors (1).

516239699 is an equidigital number, since it uses as much as digits as its factorization.

516239699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320, while the sum is 50.

The square root of 516239699 is about 22720.9088506600. The cubic root of 516239699 is about 802.2021093935.

The spelling of 516239699 in words is "five hundred sixteen million, two hundred thirty-nine thousand, six hundred ninety-nine".