29013409 has 2 divisors, whose sum is σ = 29013410. Its totient is φ = 29013408.

The previous prime is 29013403. The next prime is 29013431. The reversal of 29013409 is 90431092.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18515809 + 10497600 = 4303^2 + 3240^2 .

It is a cyclic number.

It is not a de Polignac number, because 29013409 - 2¹⁵ = 28980641 is a prime.

It is not a weakly prime, because it can be changed into another prime (29013403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14506704 + 14506705.

It is an arithmetic number, because the mean of its divisors is an integer number (14506705).

Almost surely, 2^29013409 is an apocalyptic number.

It is an amenable number.

29013409 is a deficient number, since it is larger than the sum of its proper divisors (1).

29013409 is an equidigital number, since it uses as much as digits as its factorization.

29013409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 29013409 is about 5386.4096576477. The cubic root of 29013409 is about 307.2790277967.

The spelling of 29013409 in words is "twenty-nine million, thirteen thousand, four hundred nine".