2839023645 has 32 divisors (see below), whose sum is σ = 4634945280. Its totient is φ = 1483622400.

The previous prime is 2839023637. The next prime is 2839023661. The reversal of 2839023645 is 5463209382.

It is not a de Polignac number, because 2839023645 - 2³ = 2839023637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2839023597 and 2839023606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137296 + ... + 156614.

It is an arithmetic number, because the mean of its divisors is an integer number (144842040).

Almost surely, 2^2839023645 is an apocalyptic number.

It is an amenable number.

2839023645 is a deficient number, since it is larger than the sum of its proper divisors (1795921635).

2839023645 is a wasteful number, since it uses less digits than its factorization.

2839023645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19525.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 2839023645 is about 53282.4891028938. The cubic root of 2839023645 is about 1415.9774481510.

The spelling of 2839023645 in words is "two billion, eight hundred thirty-nine million, twenty-three thousand, six hundred forty-five".