2800246189 has 4 divisors (see below), whose sum is σ = 3015649756. Its totient is φ = 2584842624.

The previous prime is 2800246181. The next prime is 2800246223. The reversal of 2800246189 is 9816420082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 271162089 + 2529084100 = 16467^2 + 50290^2 .

It is not a de Polignac number, because 2800246189 - 2³ = 2800246181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800246181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107701764 + ... + 107701789.

It is an arithmetic number, because the mean of its divisors is an integer number (753912439).

Almost surely, 2^2800246189 is an apocalyptic number.

It is an amenable number.

2800246189 is a deficient number, since it is larger than the sum of its proper divisors (215403567).

2800246189 is a wasteful number, since it uses less digits than its factorization.

2800246189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215403566.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 2800246189 is about 52917.3524375511. The cubic root of 2800246189 is about 1409.5010539506.

The spelling of 2800246189 in words is "two billion, eight hundred million, two hundred forty-six thousand, one hundred eighty-nine".