1799790911 has 2 divisors, whose sum is σ = 1799790912. Its totient is φ = 1799790910.

The previous prime is 1799790869. The next prime is 1799790943. The reversal of 1799790911 is 1190979971.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1799790911 - 2⁶ = 1799790847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1799790991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899895455 + 899895456.

It is an arithmetic number, because the mean of its divisors is an integer number (899895456).

Almost surely, 2^1799790911 is an apocalyptic number.

1799790911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799790911 is an equidigital number, since it uses as much as digits as its factorization.

1799790911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 321489, while the sum is 53.

The square root of 1799790911 is about 42423.9426621336. The cubic root of 1799790911 is about 1216.3932964933.

The spelling of 1799790911 in words is "one billion, seven hundred ninety-nine million, seven hundred ninety thousand, nine hundred eleven".