799817207542037 has 2 divisors, whose sum is σ = 799817207542038. Its totient is φ = 799817207542036.

The previous prime is 799817207541959. The next prime is 799817207542081. The reversal of 799817207542037 is 730245702718997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797530697623396 + 2286509918641 = 28240586^2 + 1512121^2 .

It is an emirp because it is prime and its reverse (730245702718997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 799817207542037 - 2²⁴ = 799817190764821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799817207542537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399908603771018 + 399908603771019.

It is an arithmetic number, because the mean of its divisors is an integer number (399908603771019).

Almost surely, 2^{799817207542037} is an apocalyptic number.

It is an amenable number.

799817207542037 is a deficient number, since it is larger than the sum of its proper divisors (1).

799817207542037 is an equidigital number, since it uses as much as digits as its factorization.

799817207542037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373403520, while the sum is 71.

The spelling of 799817207542037 in words is "seven hundred ninety-nine trillion, eight hundred seventeen billion, two hundred seven million, five hundred forty-two thousand, thirty-seven".