1085994983 has 2 divisors, whose sum is σ = 1085994984. Its totient is φ = 1085994982.

The previous prime is 1085994977. The next prime is 1085994997. The reversal of 1085994983 is 3894995801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1085994983 - 2⁴ = 1085994967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085994083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542997491 + 542997492.

It is an arithmetic number, because the mean of its divisors is an integer number (542997492).

Almost surely, 2^1085994983 is an apocalyptic number.

1085994983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085994983 is an equidigital number, since it uses as much as digits as its factorization.

1085994983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The square root of 1085994983 is about 32954.4379864078. The cubic root of 1085994983 is about 1027.8804507907.

The spelling of 1085994983 in words is "one billion, eighty-five million, nine hundred ninety-four thousand, nine hundred eighty-three".