791891418383 has 4 divisors (see below), whose sum is σ = 852806142888. Its totient is φ = 730976693880.

The previous prime is 791891418337. The next prime is 791891418407. The reversal of 791891418383 is 383814198197.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383814198197 = 98081 ⋅3913237.

It is a cyclic number.

It is not a de Polignac number, because 791891418383 - 2²⁶ = 791824309519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791891418323) 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 in 3 ways as a sum of consecutive naturals, for example, 30457362233 + ... + 30457362258.

It is an arithmetic number, because the mean of its divisors is an integer number (213201535722).

Almost surely, 2^791891418383 is an apocalyptic number.

791891418383 is a deficient number, since it is larger than the sum of its proper divisors (60914724505).

791891418383 is a wasteful number, since it uses less digits than its factorization.

791891418383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60914724504.

The product of its digits is 10450944, while the sum is 62.

The spelling of 791891418383 in words is "seven hundred ninety-one billion, eight hundred ninety-one million, four hundred eighteen thousand, three hundred eighty-three".