993443039 has 2 divisors, whose sum is σ = 993443040. Its totient is φ = 993443038.

The previous prime is 993443023. The next prime is 993443051. The reversal of 993443039 is 930344399.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 993443039 - 2⁴ = 993443023 is a 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 (993443939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496721519 + 496721520.

It is an arithmetic number, because the mean of its divisors is an integer number (496721520).

Almost surely, 2^993443039 is an apocalyptic number.

993443039 is a deficient number, since it is larger than the sum of its proper divisors (1).

993443039 is an equidigital number, since it uses as much as digits as its factorization.

993443039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 44.

The square root of 993443039 is about 31518.9314381056. The cubic root of 993443039 is about 997.8095517732.

The spelling of 993443039 in words is "nine hundred ninety-three million, four hundred forty-three thousand, thirty-nine".