2309309563 has 12 divisors (see below), whose sum is σ = 2687648040. Its totient is φ = 1975878080.

The previous prime is 2309309557. The next prime is 2309309573. The reversal of 2309309563 is 3659039032.

It is a de Polignac number, because none of the positive numbers 2^k-2309309563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2309309573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559273 + ... + 563386.

It is an arithmetic number, because the mean of its divisors is an integer number (223970670).

Almost surely, 2^2309309563 is an apocalyptic number.

2309309563 is a deficient number, since it is larger than the sum of its proper divisors (378338477).

2309309563 is a wasteful number, since it uses less digits than its factorization.

2309309563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122698 (or 1122687 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 40.

The square root of 2309309563 is about 48055.2761203179. The cubic root of 2309309563 is about 1321.7846924190.

The spelling of 2309309563 in words is "two billion, three hundred nine million, three hundred nine thousand, five hundred sixty-three".