29494909 has 2 divisors, whose sum is σ = 29494910. Its totient is φ = 29494908.

The previous prime is 29494889. The next prime is 29494931. The reversal of 29494909 is 90949492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29192409 + 302500 = 5403^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 29494909 - 2¹⁹ = 28970621 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29494939) 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, 14747454 + 14747455.

It is an arithmetic number, because the mean of its divisors is an integer number (14747455).

Almost surely, 2^29494909 is an apocalyptic number.

It is an amenable number.

29494909 is a deficient number, since it is larger than the sum of its proper divisors (1).

29494909 is an equidigital number, since it uses as much as digits as its factorization.

29494909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 29494909 is about 5430.9215608403. The cubic root of 29494909 is about 308.9695546436.

It can be divided in two parts, 29494 and 909, that added together give a palindrome (30403).

The spelling of 29494909 in words is "twenty-nine million, four hundred ninety-four thousand, nine hundred nine".