30726864209 has 8 divisors (see below), whose sum is σ = 30927096000. Its totient is φ = 30527270032.

The previous prime is 30726864169. The next prime is 30726864253. The reversal of 30726864209 is 90246862703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30726864209 - 2¹² = 30726860113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30726834209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62519 + ... + 255660.

It is an arithmetic number, because the mean of its divisors is an integer number (3865887000).

Almost surely, 2^30726864209 is an apocalyptic number.

It is an amenable number.

30726864209 is a deficient number, since it is larger than the sum of its proper divisors (200231791).

30726864209 is a wasteful number, since it uses less digits than its factorization.

30726864209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318807.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 30726864209 in words is "thirty billion, seven hundred twenty-six million, eight hundred sixty-four thousand, two hundred nine".