79382613656693 has 2 divisors, whose sum is σ = 79382613656694. Its totient is φ = 79382613656692.

The previous prime is 79382613656677. The next prime is 79382613656767. The reversal of 79382613656693 is 39665631628397.

It is an a-pointer prime, because the next prime (79382613656767) can be obtained adding 79382613656693 to its sum of digits (74).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61801892970724 + 17580720685969 = 7861418^2 + 4192937^2 .

It is an emirp because it is prime and its reverse (39665631628397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79382613656693 - 2⁴ = 79382613656677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79382613656693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79382613656653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39691306828346 + 39691306828347.

It is an arithmetic number, because the mean of its divisors is an integer number (39691306828347).

Almost surely, 2^{79382613656693} is an apocalyptic number.

It is an amenable number.

79382613656693 is a deficient number, since it is larger than the sum of its proper divisors (1).

79382613656693 is an equidigital number, since it uses as much as digits as its factorization.

79382613656693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587237120, while the sum is 74.

The spelling of 79382613656693 in words is "seventy-nine trillion, three hundred eighty-two billion, six hundred thirteen million, six hundred fifty-six thousand, six hundred ninety-three".