791131121131453 has 2 divisors, whose sum is σ = 791131121131454. Its totient is φ = 791131121131452.

The previous prime is 791131121131423. The next prime is 791131121131493. The reversal of 791131121131453 is 354131121131197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636724576493604 + 154406544637849 = 25233402^2 + 12426043^2 .

It is an emirp because it is prime and its reverse (354131121131197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791131121131453 - 2⁹ = 791131121130941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791131121131423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395565560565726 + 395565560565727.

It is an arithmetic number, because the mean of its divisors is an integer number (395565560565727).

Almost surely, 2^{791131121131453} is an apocalyptic number.

It is an amenable number.

791131121131453 is a deficient number, since it is larger than the sum of its proper divisors (1).

791131121131453 is an equidigital number, since it uses as much as digits as its factorization.

791131121131453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 43.

The spelling of 791131121131453 in words is "seven hundred ninety-one trillion, one hundred thirty-one billion, one hundred twenty-one million, one hundred thirty-one thousand, four hundred fifty-three".