1083726409 has 2 divisors, whose sum is σ = 1083726410. Its totient is φ = 1083726408.

The previous prime is 1083726361. The next prime is 1083726419. The reversal of 1083726409 is 9046273801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1083726400 + 9 = 32920^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083726409 - 2⁹ = 1083725897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1083726419) 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, 541863204 + 541863205.

It is an arithmetic number, because the mean of its divisors is an integer number (541863205).

Almost surely, 2^1083726409 is an apocalyptic number.

It is an amenable number.

1083726409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083726409 is an equidigital number, since it uses as much as digits as its factorization.

1083726409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1083726409 is about 32920.0001366950. Note that the first 3 decimals coincide. The cubic root of 1083726409 is about 1027.1642263558.

The spelling of 1083726409 in words is "one billion, eighty-three million, seven hundred twenty-six thousand, four hundred nine".