1083809641 has 2 divisors, whose sum is σ = 1083809642. Its totient is φ = 1083809640.

The previous prime is 1083809633. The next prime is 1083809651. The reversal of 1083809641 is 1469083801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012576041 + 71233600 = 31821^2 + 8440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083809641 - 2³ = 1083809633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1083809594 and 1083809603.

It is not a weakly prime, because it can be changed into another prime (1083809651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541904820 + 541904821.

It is an arithmetic number, because the mean of its divisors is an integer number (541904821).

Almost surely, 2^1083809641 is an apocalyptic number.

It is an amenable number.

1083809641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083809641 is an equidigital number, since it uses as much as digits as its factorization.

1083809641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1083809641 is about 32921.2642679469. The cubic root of 1083809641 is about 1027.1905216592.

The spelling of 1083809641 in words is "one billion, eighty-three million, eight hundred nine thousand, six hundred forty-one".