129796699 has 2 divisors, whose sum is σ = 129796700. Its totient is φ = 129796698.

The previous prime is 129796697. The next prime is 129796739. The reversal of 129796699 is 996697921.

It is a weak prime.

It is an emirp because it is prime and its reverse (996697921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129796699 - 2¹ = 129796697 is a prime.

Together with 129796697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (129796697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64898349 + 64898350.

It is an arithmetic number, because the mean of its divisors is an integer number (64898350).

Almost surely, 2^129796699 is an apocalyptic number.

129796699 is a deficient number, since it is larger than the sum of its proper divisors (1).

129796699 is an equidigital number, since it uses as much as digits as its factorization.

129796699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3306744, while the sum is 58.

The square root of 129796699 is about 11392.8354240724. The cubic root of 129796699 is about 506.3154919285.

The spelling of 129796699 in words is "one hundred twenty-nine million, seven hundred ninety-six thousand, six hundred ninety-nine".