616693799 has 2 divisors, whose sum is σ = 616693800. Its totient is φ = 616693798.

The previous prime is 616693793. The next prime is 616693807. The reversal of 616693799 is 997396616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616693799 - 2²⁰ = 615645223 is a prime.

It is a super-2 number, since 2×616693799² = 760622483450104802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616693793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308346899 + 308346900.

It is an arithmetic number, because the mean of its divisors is an integer number (308346900).

Almost surely, 2^616693799 is an apocalyptic number.

616693799 is a deficient number, since it is larger than the sum of its proper divisors (1).

616693799 is an equidigital number, since it uses as much as digits as its factorization.

616693799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3306744, while the sum is 56.

The square root of 616693799 is about 24833.3203378042. The cubic root of 616693799 is about 851.1834951131.

The spelling of 616693799 in words is "six hundred sixteen million, six hundred ninety-three thousand, seven hundred ninety-nine".