30429689 has 2 divisors, whose sum is σ = 30429690. Its totient is φ = 30429688.

The previous prime is 30429673. The next prime is 30429701. The reversal of 30429689 is 98692403.

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., 22250089 + 8179600 = 4717^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 30429689 - 2⁴ = 30429673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30429629) 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, 15214844 + 15214845.

It is an arithmetic number, because the mean of its divisors is an integer number (15214845).

Almost surely, 2^30429689 is an apocalyptic number.

It is an amenable number.

30429689 is a deficient number, since it is larger than the sum of its proper divisors (1).

30429689 is an equidigital number, since it uses as much as digits as its factorization.

30429689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 30429689 is about 5516.3111768645. The cubic root of 30429689 is about 312.1997166682.

The spelling of 30429689 in words is "thirty million, four hundred twenty-nine thousand, six hundred eighty-nine".