2838668381 has 8 divisors (see below), whose sum is σ = 3163841280. Its totient is φ = 2531072448.

The previous prime is 2838668351. The next prime is 2838668407. The reversal of 2838668381 is 1838668382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2838668381 - 2⁶ = 2838668317 is a prime.

It is a super-2 number, since 2×2838668381² = 16116076354578322322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2838668311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4393901 + ... + 4394546.

It is an arithmetic number, because the mean of its divisors is an integer number (395480160).

Almost surely, 2^2838668381 is an apocalyptic number.

It is an amenable number.

2838668381 is a deficient number, since it is larger than the sum of its proper divisors (325172899).

2838668381 is a wasteful number, since it uses less digits than its factorization.

2838668381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788483.

The product of its digits is 2654208, while the sum is 53.

The square root of 2838668381 is about 53279.1552204049. The cubic root of 2838668381 is about 1415.9183824463.

Subtracting from 2838668381 its reverse (1838668382), we obtain a palindrome (999999999).

The spelling of 2838668381 in words is "two billion, eight hundred thirty-eight million, six hundred sixty-eight thousand, three hundred eighty-one".