2305713309 has 8 divisors (see below), whose sum is σ = 3081386112. Its totient is φ = 1533591360.

The previous prime is 2305713307. The next prime is 2305713313. The reversal of 2305713309 is 9033175032.

2305713309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2305713309 - 2¹ = 2305713307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2305713309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305713307) 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, 886197 + ... + 888794.

It is an arithmetic number, because the mean of its divisors is an integer number (385173264).

Almost surely, 2^2305713309 is an apocalyptic number.

It is an amenable number.

2305713309 is a deficient number, since it is larger than the sum of its proper divisors (775672803).

2305713309 is a wasteful number, since it uses less digits than its factorization.

2305713309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775427.

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 2305713309 is about 48017.8436521258. The cubic root of 2305713309 is about 1321.0982039543.

The spelling of 2305713309 in words is "two billion, three hundred five million, seven hundred thirteen thousand, three hundred nine".