791335533197 has 4 divisors (see below), whose sum is σ = 863275127136. Its totient is φ = 719395939260.

The previous prime is 791335533167. The next prime is 791335533269.

791335533197 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 791335533197 - 2²⁰ = 791334484621 is a prime.

It is a super-2 number, since 2×791335533197² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791335533127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35969796953 + ... + 35969796974.

It is an arithmetic number, because the mean of its divisors is an integer number (215818781784).

Almost surely, 2^791335533197 is an apocalyptic number.

It is an amenable number.

791335533197 is a deficient number, since it is larger than the sum of its proper divisors (71939593939).

791335533197 is a wasteful number, since it uses less digits than its factorization.

791335533197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71939593938.

The product of its digits is 8037225, while the sum is 56.

The spelling of 791335533197 in words is "seven hundred ninety-one billion, three hundred thirty-five million, five hundred thirty-three thousand, one hundred ninety-seven".