3009997321 has 4 divisors (see below), whose sum is σ = 3012352000. Its totient is φ = 3007642644.

The previous prime is 3009997303. The next prime is 3009997343. The reversal of 3009997321 is 1237999003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3009997321 - 2¹¹ = 3009995273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3009997301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175421 + ... + 1177978.

It is an arithmetic number, because the mean of its divisors is an integer number (753088000).

Almost surely, 2^3009997321 is an apocalyptic number.

It is an amenable number.

3009997321 is a deficient number, since it is larger than the sum of its proper divisors (2354679).

3009997321 is a wasteful number, since it uses less digits than its factorization.

3009997321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354678.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 3009997321 is about 54863.4424822213. The cubic root of 3009997321 is about 1443.8498642066.

The spelling of 3009997321 in words is "three billion, nine million, nine hundred ninety-seven thousand, three hundred twenty-one".