1916791199 has 2 divisors, whose sum is σ = 1916791200. Its totient is φ = 1916791198.

The previous prime is 1916791187. The next prime is 1916791207. The reversal of 1916791199 is 9911976191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1916791199 - 2¹⁶ = 1916725663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1916791199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1916791139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958395599 + 958395600.

It is an arithmetic number, because the mean of its divisors is an integer number (958395600).

Almost surely, 2^1916791199 is an apocalyptic number.

1916791199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916791199 is an equidigital number, since it uses as much as digits as its factorization.

1916791199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 53.

The square root of 1916791199 is about 43781.1740249162. The cubic root of 1916791199 is about 1242.2002211085.

The spelling of 1916791199 in words is "one billion, nine hundred sixteen million, seven hundred ninety-one thousand, one hundred ninety-nine".