29954909 has 2 divisors, whose sum is σ = 29954910. Its totient is φ = 29954908.

The previous prime is 29954891. The next prime is 29954923. The reversal of 29954909 is 90945992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 4502884 = 5045^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 29954909 - 2⁸ = 29954653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29954989) 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, 14977454 + 14977455.

It is an arithmetic number, because the mean of its divisors is an integer number (14977455).

Almost surely, 2^29954909 is an apocalyptic number.

It is an amenable number.

29954909 is a deficient number, since it is larger than the sum of its proper divisors (1).

29954909 is an equidigital number, since it uses as much as digits as its factorization.

29954909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 29954909 is about 5473.1078008751. The cubic root of 29954909 is about 310.5674967339.

The spelling of 29954909 in words is "twenty-nine million, nine hundred fifty-four thousand, nine hundred nine".