7919091271799 has 2 divisors, whose sum is σ = 7919091271800. Its totient is φ = 7919091271798.

The previous prime is 7919091271787. The next prime is 7919091271813. The reversal of 7919091271799 is 9971721909197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7919091271799 - 2⁴⁰ = 6819579644023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7919091271199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3959545635899 + 3959545635900.

It is an arithmetic number, because the mean of its divisors is an integer number (3959545635900).

Almost surely, 2^{7919091271799} is an apocalyptic number.

7919091271799 is a deficient number, since it is larger than the sum of its proper divisors (1).

7919091271799 is an equidigital number, since it uses as much as digits as its factorization.

7919091271799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40507614, while the sum is 71.

The spelling of 7919091271799 in words is "seven trillion, nine hundred nineteen billion, ninety-one million, two hundred seventy-one thousand, seven hundred ninety-nine".