2309038989 has 16 divisors (see below), whose sum is σ = 3107328000. Its totient is φ = 1525121136.

The previous prime is 2309038967. The next prime is 2309038993. The reversal of 2309038989 is 9898309032.

It is not a de Polignac number, because 2309038989 - 2⁸ = 2309038733 is a prime.

It is a super-2 number, since 2×2309038989² = 10663322105444284242, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309038489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134592 + ... + 150774.

It is an arithmetic number, because the mean of its divisors is an integer number (194208000).

Almost surely, 2^2309038989 is an apocalyptic number.

It is an amenable number.

2309038989 is a deficient number, since it is larger than the sum of its proper divisors (798289011).

2309038989 is a wasteful number, since it uses less digits than its factorization.

2309038989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16624.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 2309038989 is about 48052.4608006708. The cubic root of 2309038989 is about 1321.7330673870.

The spelling of 2309038989 in words is "two billion, three hundred nine million, thirty-eight thousand, nine hundred eighty-nine".