1083590993 has 2 divisors, whose sum is σ = 1083590994. Its totient is φ = 1083590992.

The previous prime is 1083590953. The next prime is 1083591001. The reversal of 1083590993 is 3990953801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 908901904 + 174689089 = 30148^2 + 13217^2 .

It is an emirp because it is prime and its reverse (3990953801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1083590993 - 2⁶ = 1083590929 is a prime.

It is a super-2 number, since 2×1083590993² = 2348338880221452098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1083590953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541795496 + 541795497.

It is an arithmetic number, because the mean of its divisors is an integer number (541795497).

Almost surely, 2^1083590993 is an apocalyptic number.

It is an amenable number.

1083590993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083590993 is an equidigital number, since it uses as much as digits as its factorization.

1083590993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 1083590993 is about 32917.9433288290. The cubic root of 1083590993 is about 1027.1214417983.

The spelling of 1083590993 in words is "one billion, eighty-three million, five hundred ninety thousand, nine hundred ninety-three".