1090838860939 has 2 divisors, whose sum is σ = 1090838860940. Its totient is φ = 1090838860938.

The previous prime is 1090838860933. The next prime is 1090838860987. The reversal of 1090838860939 is 9390688380901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1090838860939 - 2³ = 1090838860931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090838860931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545419430469 + 545419430470.

It is an arithmetic number, because the mean of its divisors is an integer number (545419430470).

Almost surely, 2^{1090838860939} is an apocalyptic number.

1090838860939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090838860939 is an equidigital number, since it uses as much as digits as its factorization.

1090838860939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20155392, while the sum is 64.

The spelling of 1090838860939 in words is "one trillion, ninety billion, eight hundred thirty-eight million, eight hundred sixty thousand, nine hundred thirty-nine".