29330865209 has 4 divisors (see below), whose sum is σ = 29344121316. Its totient is φ = 29317609104.

The previous prime is 29330865191. The next prime is 29330865217. The reversal of 29330865209 is 90256803392.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15840739600 + 13490125609 = 125860^2 + 116147^2 .

It is a cyclic number.

It is not a de Polignac number, because 29330865209 - 2²⁴ = 29314087993 is a prime.

It is a super-2 number, since 2×29330865209² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29330865409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6624734 + ... + 6629159.

It is an arithmetic number, because the mean of its divisors is an integer number (7336030329).

Almost surely, 2^29330865209 is an apocalyptic number.

It is an amenable number.

29330865209 is a deficient number, since it is larger than the sum of its proper divisors (13256107).

29330865209 is a wasteful number, since it uses less digits than its factorization.

29330865209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13256106.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 29330865209 in words is "twenty-nine billion, three hundred thirty million, eight hundred sixty-five thousand, two hundred nine".