791649331199 has 4 divisors (see below), whose sum is σ = 791651506464. Its totient is φ = 791647155936.

The previous prime is 791649331181. The next prime is 791649331237. The reversal of 791649331199 is 991133946197.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 791649331199 - 2⁸ = 791649330943 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 (791649331129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394487 + ... + 1318680.

It is an arithmetic number, because the mean of its divisors is an integer number (197912876616).

Almost surely, 2^791649331199 is an apocalyptic number.

791649331199 is a deficient number, since it is larger than the sum of its proper divisors (2175265).

791649331199 is a wasteful number, since it uses less digits than its factorization.

791649331199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175264.

The product of its digits is 9920232, while the sum is 62.

The spelling of 791649331199 in words is "seven hundred ninety-one billion, six hundred forty-nine million, three hundred thirty-one thousand, one hundred ninety-nine".