799021117441 has 2 divisors, whose sum is σ = 799021117442. Its totient is φ = 799021117440.

The previous prime is 799021117439. The next prime is 799021117463. The reversal of 799021117441 is 144711120997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 773230042225 + 25791075216 = 879335^2 + 160596^2 .

It is an emirp because it is prime and its reverse (144711120997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 799021117441 - 2¹ = 799021117439 is a prime.

It is a super-2 number, since 2×799021117441² (a number of 25 digits) contains 22 as substring.

Together with 799021117439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 799021117391 and 799021117400.

It is not a weakly prime, because it can be changed into another prime (799021117471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399510558720 + 399510558721.

It is an arithmetic number, because the mean of its divisors is an integer number (399510558721).

Almost surely, 2^799021117441 is an apocalyptic number.

It is an amenable number.

799021117441 is a deficient number, since it is larger than the sum of its proper divisors (1).

799021117441 is an equidigital number, since it uses as much as digits as its factorization.

799021117441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 799021117441 in words is "seven hundred ninety-nine billion, twenty-one million, one hundred seventeen thousand, four hundred forty-one".