79133628269 has 2 divisors, whose sum is σ = 79133628270. Its totient is φ = 79133628268.

The previous prime is 79133628247. The next prime is 79133628271. The reversal of 79133628269 is 96282633197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52275335044 + 26858293225 = 228638^2 + 163885^2 .

It is an emirp because it is prime and its reverse (96282633197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79133628269 - 2²⁴ = 79116851053 is a prime.

It is a super-2 number, since 2×79133628269² (a number of 23 digits) contains 22 as substring.

Together with 79133628271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79133328269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39566814134 + 39566814135.

It is an arithmetic number, because the mean of its divisors is an integer number (39566814135).

Almost surely, 2^79133628269 is an apocalyptic number.

It is an amenable number.

79133628269 is a deficient number, since it is larger than the sum of its proper divisors (1).

79133628269 is an equidigital number, since it uses as much as digits as its factorization.

79133628269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 56.

The spelling of 79133628269 in words is "seventy-nine billion, one hundred thirty-three million, six hundred twenty-eight thousand, two hundred sixty-nine".