1084790813 has 2 divisors, whose sum is σ = 1084790814. Its totient is φ = 1084790812.

The previous prime is 1084790779. The next prime is 1084790857. The reversal of 1084790813 is 3180974801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 581147449 + 503643364 = 24107^2 + 22442^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084790813 - 2⁸ = 1084790557 is a prime.

It is a super-2 number, since 2×1084790813² = 2353542215938401938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1084790873) 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, 542395406 + 542395407.

It is an arithmetic number, because the mean of its divisors is an integer number (542395407).

Almost surely, 2^1084790813 is an apocalyptic number.

It is an amenable number.

1084790813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084790813 is an equidigital number, since it uses as much as digits as its factorization.

1084790813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1084790813 is about 32936.1626939144. The cubic root of 1084790813 is about 1027.5003997528.

The spelling of 1084790813 in words is "one billion, eighty-four million, seven hundred ninety thousand, eight hundred thirteen".