2789238393 has 12 divisors (see below), whose sum is σ = 4097187120. Its totient is φ = 1827975096.

The previous prime is 2789238391. The next prime is 2789238401. The reversal of 2789238393 is 3938329872.

It is not a de Polignac number, because 2789238393 - 2¹ = 2789238391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2789238391) 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, 2625871 + ... + 2626932.

It is an arithmetic number, because the mean of its divisors is an integer number (341432260).

Almost surely, 2^2789238393 is an apocalyptic number.

It is an amenable number.

2789238393 is a deficient number, since it is larger than the sum of its proper divisors (1307948727).

2789238393 is a wasteful number, since it uses less digits than its factorization.

2789238393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252868 (or 5252865 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 2789238393 is about 52813.2406977644. The cubic root of 2789238393 is about 1407.6517076122.

The spelling of 2789238393 in words is "two billion, seven hundred eighty-nine million, two hundred thirty-eight thousand, three hundred ninety-three".