791111163434 has 4 divisors (see below), whose sum is σ = 1186666745154. Its totient is φ = 395555581716.

The previous prime is 791111163391. The next prime is 791111163449. The reversal of 791111163434 is 434361111197.

791111163434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434361111197 = 13 ⋅33412393169.

It can be written as a sum of positive squares in only one way, i.e., 643128614209 + 147982549225 = 801953^2 + 384685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 791111163391 and 791111163400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197777790857 + ... + 197777790860.

Almost surely, 2^791111163434 is an apocalyptic number.

791111163434 is a deficient number, since it is larger than the sum of its proper divisors (395555581720).

791111163434 is a wasteful number, since it uses less digits than its factorization.

791111163434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395555581719.

The product of its digits is 54432, while the sum is 41.

The spelling of 791111163434 in words is "seven hundred ninety-one billion, one hundred eleven million, one hundred sixty-three thousand, four hundred thirty-four".