791012332321 has 4 divisors (see below), whose sum is σ = 791020183572. Its totient is φ = 791004481072.

The previous prime is 791012332301. The next prime is 791012332339. The reversal of 791012332321 is 123233210197.

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

It can be written as a sum of positive squares in 2 ways, for example, as 672910136721 + 118102195600 = 820311^2 + 343660^2 .

It is a cyclic number.

It is not a de Polignac number, because 791012332321 - 2¹⁹ = 791011808033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791012332301) 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, 3772510 + ... + 3976663.

It is an arithmetic number, because the mean of its divisors is an integer number (197755045893).

Almost surely, 2^791012332321 is an apocalyptic number.

It is an amenable number.

791012332321 is a deficient number, since it is larger than the sum of its proper divisors (7851251).

791012332321 is a wasteful number, since it uses less digits than its factorization.

791012332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851250.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 791012332321 in words is "seven hundred ninety-one billion, twelve million, three hundred thirty-two thousand, three hundred twenty-one".