79296381081133 has 2 divisors, whose sum is σ = 79296381081134. Its totient is φ = 79296381081132.

The previous prime is 79296381081091. The next prime is 79296381081163. The reversal of 79296381081133 is 33118018369297.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78147244248649 + 1149136832484 = 8840093^2 + 1071978^2 .

It is an emirp because it is prime and its reverse (33118018369297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79296381081133 - 2¹³ = 79296381072941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79296381081163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39648190540566 + 39648190540567.

It is an arithmetic number, because the mean of its divisors is an integer number (39648190540567).

Almost surely, 2^{79296381081133} is an apocalyptic number.

It is an amenable number.

79296381081133 is a deficient number, since it is larger than the sum of its proper divisors (1).

79296381081133 is an equidigital number, since it uses as much as digits as its factorization.

79296381081133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 79296381081133 in words is "seventy-nine trillion, two hundred ninety-six billion, three hundred eighty-one million, eighty-one thousand, one hundred thirty-three".