2985983939 has 2 divisors, whose sum is σ = 2985983940. Its totient is φ = 2985983938.

The previous prime is 2985983933. The next prime is 2985984011. The reversal of 2985983939 is 9393895892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2985983939 - 2²⁰ = 2984935363 is a prime.

It is a super-2 number, since 2×2985983939² = 17832200167931911442, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2985983933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1492991969 + 1492991970.

It is an arithmetic number, because the mean of its divisors is an integer number (1492991970).

Almost surely, 2^2985983939 is an apocalyptic number.

2985983939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2985983939 is an equidigital number, since it uses as much as digits as its factorization.

2985983939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37791360, while the sum is 65.

The square root of 2985983939 is about 54644.1574095529. The cubic root of 2985983939 is about 1439.9999901942. Note that the first 5 decimals are identical.

The spelling of 2985983939 in words is "two billion, nine hundred eighty-five million, nine hundred eighty-three thousand, nine hundred thirty-nine".