791421121124196 has 96 divisors (see below), whose sum is σ = 1870883501585280. Its totient is φ = 260351909600256.

The previous prime is 791421121124191. The next prime is 791421121124209. The reversal of 791421121124196 is 691421121124197.

It is a super-2 number, since 2×791421121124196² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (791421121124191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3584402970 + ... + 3584623758.

It is an arithmetic number, because the mean of its divisors is an integer number (19488369808180).

Almost surely, 2^{791421121124196} is an apocalyptic number.

It is an amenable number.

791421121124196 is an abundant number, since it is smaller than the sum of its proper divisors (1079462380461084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

791421121124196 is a wasteful number, since it uses less digits than its factorization.

791421121124196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224685 (or 224683 counting only the distinct ones).

The product of its digits is 435456, while the sum is 51.

Subtracting from 791421121124196 its reverse (691421121124197), we obtain a palindrome (99999999999999).

The spelling of 791421121124196 in words is "seven hundred ninety-one trillion, four hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-four thousand, one hundred ninety-six".