29995000209 has 12 divisors (see below), whose sum is σ = 45874706436. Its totient is φ = 18820392192.

The previous prime is 29995000201. The next prime is 29995000219. The reversal of 29995000209 is 90200059992.

It can be written as a sum of positive squares in 2 ways, for example, as 23684286609 + 6310713600 = 153897^2 + 79440^2 .

It is not a de Polignac number, because 29995000209 - 2³ = 29995000201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29995000201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98022724 + ... + 98023029.

It is an arithmetic number, because the mean of its divisors is an integer number (3822892203).

Almost surely, 2^29995000209 is an apocalyptic number.

It is an amenable number.

29995000209 is a deficient number, since it is larger than the sum of its proper divisors (15879706227).

29995000209 is a wasteful number, since it uses less digits than its factorization.

29995000209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196045776 (or 196045773 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 29995000209 in words is "twenty-nine billion, nine hundred ninety-five million, two hundred nine", and thus it is an aban number.