791023345289 has 6 divisors (see below), whose sum is σ = 840291235614. Its totient is φ = 744492560000.

The previous prime is 791023345283. The next prime is 791023345309. The reversal of 791023345289 is 982543320197.

It can be written as a sum of positive squares in 3 ways, for example, as 309202723600 + 481820621689 = 556060^2 + 694133^2 .

It is not a de Polignac number, because 791023345289 - 2¹² = 791023341193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 791023345289.

It is not an unprimeable number, because it can be changed into a prime (791023345283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1368552212 + ... + 1368552789.

It is an arithmetic number, because the mean of its divisors is an integer number (140048539269).

Almost surely, 2^791023345289 is an apocalyptic number.

It is an amenable number.

791023345289 is a deficient number, since it is larger than the sum of its proper divisors (49267890325).

791023345289 is a wasteful number, since it uses less digits than its factorization.

791023345289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737105035 (or 2737105018 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 791023345289 in words is "seven hundred ninety-one billion, twenty-three million, three hundred forty-five thousand, two hundred eighty-nine".