791891418323 has 2 divisors, whose sum is σ = 791891418324. Its totient is φ = 791891418322.

The previous prime is 791891418301. The next prime is 791891418337. The reversal of 791891418323 is 323814198197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 791891418323 - 2⁶ = 791891418259 is a prime.

It is a super-2 number, since 2×791891418323² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (791891418223) 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, 395945709161 + 395945709162.

It is an arithmetic number, because the mean of its divisors is an integer number (395945709162).

Almost surely, 2^791891418323 is an apocalyptic number.

791891418323 is a deficient number, since it is larger than the sum of its proper divisors (1).

791891418323 is an equidigital number, since it uses as much as digits as its factorization.

791891418323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 56.

The spelling of 791891418323 in words is "seven hundred ninety-one billion, eight hundred ninety-one million, four hundred eighteen thousand, three hundred twenty-three".