2838919681 has 16 divisors (see below), whose sum is σ = 3093475840. Its totient is φ = 2589641280.

The previous prime is 2838919667. The next prime is 2838919711. The reversal of 2838919681 is 1869198382.

It is a cyclic number.

It is not a de Polignac number, because 2838919681 - 2⁷ = 2838919553 is a prime.

It is a super-2 number, since 2×2838919681² = 16118929910338283522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2838919651) 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, 722440 + ... + 726358.

It is an arithmetic number, because the mean of its divisors is an integer number (193342240).

Almost surely, 2^2838919681 is an apocalyptic number.

It is an amenable number.

2838919681 is a deficient number, since it is larger than the sum of its proper divisors (254556159).

2838919681 is a wasteful number, since it uses less digits than its factorization.

2838919681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576.

The product of its digits is 1492992, while the sum is 55.

The square root of 2838919681 is about 53281.5135014012. The cubic root of 2838919681 is about 1415.9601637492.

The spelling of 2838919681 in words is "two billion, eight hundred thirty-eight million, nine hundred nineteen thousand, six hundred eighty-one".