79349129 has 2 divisors, whose sum is σ = 79349130. Its totient is φ = 79349128.

The previous prime is 79349117. The next prime is 79349161. The reversal of 79349129 is 92194397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 139129 = 8900^2 + 373^2 .

It is an emirp because it is prime and its reverse (92194397) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79349129 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79349129.

It is not a weakly prime, because it can be changed into another prime (79349329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39674564 + 39674565.

It is an arithmetic number, because the mean of its divisors is an integer number (39674565).

Almost surely, 2^79349129 is an apocalyptic number.

It is an amenable number.

79349129 is a deficient number, since it is larger than the sum of its proper divisors (1).

79349129 is an equidigital number, since it uses as much as digits as its factorization.

79349129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 44.

The square root of 79349129 is about 8907.8128067444. The cubic root of 79349129 is about 429.7152053250.

The spelling of 79349129 in words is "seventy-nine million, three hundred forty-nine thousand, one hundred twenty-nine".