299394629 has 2 divisors, whose sum is σ = 299394630. Its totient is φ = 299394628.

The previous prime is 299394539. The next prime is 299394631. The reversal of 299394629 is 926493992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213832129 + 85562500 = 14623^2 + 9250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-299394629 is a prime.

Together with 299394631, 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 (299394679) 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, 149697314 + 149697315.

It is an arithmetic number, because the mean of its divisors is an integer number (149697315).

Almost surely, 2^299394629 is an apocalyptic number.

It is an amenable number.

299394629 is a deficient number, since it is larger than the sum of its proper divisors (1).

299394629 is an equidigital number, since it uses as much as digits as its factorization.

299394629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 53.

The square root of 299394629 is about 17303.0236952967. The cubic root of 299394629 is about 668.9823632054.

The spelling of 299394629 in words is "two hundred ninety-nine million, three hundred ninety-four thousand, six hundred twenty-nine".