2916344321 has 4 divisors (see below), whose sum is σ = 3181466544. Its totient is φ = 2651222100.

The previous prime is 2916344293. The next prime is 2916344359. The reversal of 2916344321 is 1234436192.

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 a de Polignac number, because none of the positive numbers 2^k-2916344321 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 (2916344021) 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, 132561095 + ... + 132561116.

It is an arithmetic number, because the mean of its divisors is an integer number (795366636).

Almost surely, 2^2916344321 is an apocalyptic number.

It is an amenable number.

2916344321 is a deficient number, since it is larger than the sum of its proper divisors (265122223).

2916344321 is a wasteful number, since it uses less digits than its factorization.

2916344321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265122222.

The product of its digits is 31104, while the sum is 35.

The square root of 2916344321 is about 54003.1880632986. The cubic root of 2916344321 is about 1428.7171766074.

The spelling of 2916344321 in words is "two billion, nine hundred sixteen million, three hundred forty-four thousand, three hundred twenty-one".