2389612345 has 8 divisors (see below), whose sum is σ = 2868459264. Its totient is φ = 1911073584.

The previous prime is 2389612343. The next prime is 2389612367. The reversal of 2389612345 is 5432169832.

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

It is a cyclic number.

It is not a de Polignac number, because 2389612345 - 2¹ = 2389612343 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2389612343) 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, 59619 + ... + 91288.

It is an arithmetic number, because the mean of its divisors is an integer number (358557408).

Almost surely, 2^2389612345 is an apocalyptic number.

It is an amenable number.

2389612345 is a deficient number, since it is larger than the sum of its proper divisors (478846919).

2389612345 is a wasteful number, since it uses less digits than its factorization.

2389612345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154079.

The product of its digits is 311040, while the sum is 43.

The square root of 2389612345 is about 48883.6613297327. The cubic root of 2389612345 is about 1336.9314848213.

The spelling of 2389612345 in words is "two billion, three hundred eighty-nine million, six hundred twelve thousand, three hundred forty-five".