1084776090509 has 2 divisors, whose sum is σ = 1084776090510. Its totient is φ = 1084776090508.

The previous prime is 1084776090479. The next prime is 1084776090617. The reversal of 1084776090509 is 9050906774801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 812662584484 + 272113506025 = 901478^2 + 521645^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084776090509 - 2²⁴ = 1084759313293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1084776092509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542388045254 + 542388045255.

It is an arithmetic number, because the mean of its divisors is an integer number (542388045255).

Almost surely, 2^{1084776090509} is an apocalyptic number.

It is an amenable number.

1084776090509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084776090509 is an equidigital number, since it uses as much as digits as its factorization.

1084776090509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 1084776090509 in words is "one trillion, eighty-four billion, seven hundred seventy-six million, ninety thousand, five hundred nine".