29426009 has 2 divisors, whose sum is σ = 29426010. Its totient is φ = 29426008.

The previous prime is 29425943. The next prime is 29426051. The reversal of 29426009 is 90062492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27457600 + 1968409 = 5240^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 29426009 - 2¹² = 29421913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29426209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14713004 + 14713005.

It is an arithmetic number, because the mean of its divisors is an integer number (14713005).

Almost surely, 2^29426009 is an apocalyptic number.

It is an amenable number.

29426009 is a deficient number, since it is larger than the sum of its proper divisors (1).

29426009 is an equidigital number, since it uses as much as digits as its factorization.

29426009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 29426009 is about 5424.5745455289. The cubic root of 29426009 is about 308.7287831476.

The spelling of 29426009 in words is "twenty-nine million, four hundred twenty-six thousand, nine".