791794083889 has 2 divisors, whose sum is σ = 791794083890. Its totient is φ = 791794083888.

The previous prime is 791794083887. The next prime is 791794083937. The reversal of 791794083889 is 988380497197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402209640000 + 389584443889 = 634200^2 + 624167^2 .

It is a cyclic number.

It is not a de Polignac number, because 791794083889 - 2¹ = 791794083887 is a prime.

Together with 791794083887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (791794083881) 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 as a sum of consecutive naturals, namely, 395897041944 + 395897041945.

It is an arithmetic number, because the mean of its divisors is an integer number (395897041945).

Almost surely, 2^791794083889 is an apocalyptic number.

It is an amenable number.

791794083889 is a deficient number, since it is larger than the sum of its proper divisors (1).

791794083889 is an equidigital number, since it uses as much as digits as its factorization.

791794083889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219469824, while the sum is 73.

The spelling of 791794083889 in words is "seven hundred ninety-one billion, seven hundred ninety-four million, eighty-three thousand, eight hundred eighty-nine".