791919199 has 2 divisors, whose sum is σ = 791919200. Its totient is φ = 791919198.

The previous prime is 791919179. The next prime is 791919203. The reversal of 791919199 is 991919197.

It is a strong prime.

It is an emirp because it is prime and its reverse (991919197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791919199 - 2⁷ = 791919071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791919119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395959599 + 395959600.

It is an arithmetic number, because the mean of its divisors is an integer number (395959600).

Almost surely, 2^791919199 is an apocalyptic number.

791919199 is a deficient number, since it is larger than the sum of its proper divisors (1).

791919199 is an equidigital number, since it uses as much as digits as its factorization.

791919199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 413343, while the sum is 55.

The square root of 791919199 is about 28141.0589530671. The cubic root of 791919199 is about 925.1815369046.

The spelling of 791919199 in words is "seven hundred ninety-one million, nine hundred nineteen thousand, one hundred ninety-nine".