791050548997 has 2 divisors, whose sum is σ = 791050548998. Its totient is φ = 791050548996.

The previous prime is 791050548991. The next prime is 791050549033. The reversal of 791050548997 is 799845050197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 789967217601 + 1083331396 = 888801^2 + 32914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791050548997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791050548991) 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, 395525274498 + 395525274499.

It is an arithmetic number, because the mean of its divisors is an integer number (395525274499).

Almost surely, 2^791050548997 is an apocalyptic number.

It is an amenable number.

791050548997 is a deficient number, since it is larger than the sum of its proper divisors (1).

791050548997 is an equidigital number, since it uses as much as digits as its factorization.

791050548997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28576800, while the sum is 64.

The spelling of 791050548997 in words is "seven hundred ninety-one billion, fifty million, five hundred forty-eight thousand, nine hundred ninety-seven".