791419451636 has 12 divisors (see below), whose sum is σ = 1510891680480. Its totient is φ = 359736114360.

The previous prime is 791419451629. The next prime is 791419451689. The reversal of 791419451636 is 636154914197.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8993402816 + ... + 8993402903.

It is an arithmetic number, because the mean of its divisors is an integer number (125907640040).

Almost surely, 2^791419451636 is an apocalyptic number.

It is an amenable number.

791419451636 is a deficient number, since it is larger than the sum of its proper divisors (719472228844).

791419451636 is a wasteful number, since it uses less digits than its factorization.

791419451636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986805734 (or 17986805732 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The spelling of 791419451636 in words is "seven hundred ninety-one billion, four hundred nineteen million, four hundred fifty-one thousand, six hundred thirty-six".