616394983 has 2 divisors, whose sum is σ = 616394984. Its totient is φ = 616394982.

The previous prime is 616394899. The next prime is 616395023. The reversal of 616394983 is 389493616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616394983 - 2²⁵ = 582840551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616394183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308197491 + 308197492.

It is an arithmetic number, because the mean of its divisors is an integer number (308197492).

Almost surely, 2^616394983 is an apocalyptic number.

616394983 is a deficient number, since it is larger than the sum of its proper divisors (1).

616394983 is an equidigital number, since it uses as much as digits as its factorization.

616394983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 49.

The square root of 616394983 is about 24827.3031761406. The cubic root of 616394983 is about 851.0459939525.

The spelling of 616394983 in words is "six hundred sixteen million, three hundred ninety-four thousand, nine hundred eighty-three".