2389684745 has 16 divisors (see below), whose sum is σ = 3309735168. Its totient is φ = 1622414400.

The previous prime is 2389684741. The next prime is 2389684757. The reversal of 2389684745 is 5474869832.

2389684745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2389684745 - 2² = 2389684741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2389684741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334469 + ... + 341538.

It is an arithmetic number, because the mean of its divisors is an integer number (206858448).

Almost surely, 2^2389684745 is an apocalyptic number.

It is an amenable number.

2389684745 is a deficient number, since it is larger than the sum of its proper divisors (920050423).

2389684745 is a wasteful number, since it uses less digits than its factorization.

2389684745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676120.

The product of its digits is 11612160, while the sum is 56.

The square root of 2389684745 is about 48884.4018578524. The cubic root of 2389684745 is about 1336.9449867131.

The spelling of 2389684745 in words is "two billion, three hundred eighty-nine million, six hundred eighty-four thousand, seven hundred forty-five".