29327590009 has 3 divisors (see below), whose sum is σ = 29327761263. Its totient is φ = 29327418756.

The previous prime is 29327589923. The next prime is 29327590037. The reversal of 29327590009 is 90009572392.

The square root of 29327590009 is 171253.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3928155625 + 25399434384 = 62675^2 + 159372^2 .

It is not a de Polignac number, because 29327590009 - 2²¹ = 29325492857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29327590709) 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 2 ways as a sum of consecutive naturals, for example, 85627 + ... + 256879.

It is an arithmetic number, because the mean of its divisors is an integer number (9775920421).

Almost surely, 2^29327590009 is an apocalyptic number.

29327590009 is the 171253-rd square number.

29327590009 is the 85627-th centered octagonal number.

It is an amenable number.

29327590009 is a deficient number, since it is larger than the sum of its proper divisors (171254).

29327590009 is an frugal number, since it uses more digits than its factorization.

29327590009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342506 (or 171253 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The spelling of 29327590009 in words is "twenty-nine billion, three hundred twenty-seven million, five hundred ninety thousand, nine".