1109640683 has 2 divisors, whose sum is σ = 1109640684. Its totient is φ = 1109640682.

The previous prime is 1109640673. The next prime is 1109640689. The reversal of 1109640683 is 3860469011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1109640683 - 2¹⁰ = 1109639659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1109640689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554820341 + 554820342.

It is an arithmetic number, because the mean of its divisors is an integer number (554820342).

Almost surely, 2^1109640683 is an apocalyptic number.

1109640683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109640683 is an equidigital number, since it uses as much as digits as its factorization.

1109640683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1109640683 is about 33311.2696095481. The cubic root of 1109640683 is about 1035.2870707506.

The spelling of 1109640683 in words is "one billion, one hundred nine million, six hundred forty thousand, six hundred eighty-three".