799557814213 has 2 divisors, whose sum is σ = 799557814214. Its totient is φ = 799557814212.

The previous prime is 799557814193. The next prime is 799557814229. The reversal of 799557814213 is 312418755997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539720907649 + 259836906564 = 734657^2 + 509742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-799557814213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799557814613) 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, 399778907106 + 399778907107.

It is an arithmetic number, because the mean of its divisors is an integer number (399778907107).

Almost surely, 2^799557814213 is an apocalyptic number.

It is an amenable number.

799557814213 is a deficient number, since it is larger than the sum of its proper divisors (1).

799557814213 is an equidigital number, since it uses as much as digits as its factorization.

799557814213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 61.

The spelling of 799557814213 in words is "seven hundred ninety-nine billion, five hundred fifty-seven million, eight hundred fourteen thousand, two hundred thirteen".