2838375838261 has 2 divisors, whose sum is σ = 2838375838262. Its totient is φ = 2838375838260.

The previous prime is 2838375838229. The next prime is 2838375838271. The reversal of 2838375838261 is 1628385738382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2754955957636 + 83419880625 = 1659806^2 + 288825^2 .

It is a cyclic number.

It is not a de Polignac number, because 2838375838261 - 2⁵ = 2838375838229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2838375838193 and 2838375838202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2838375838271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1419187919130 + 1419187919131.

It is an arithmetic number, because the mean of its divisors is an integer number (1419187919131).

Almost surely, 2^{2838375838261} is an apocalyptic number.

It is an amenable number.

2838375838261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2838375838261 is an equidigital number, since it uses as much as digits as its factorization.

2838375838261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92897280, while the sum is 64.

The spelling of 2838375838261 in words is "two trillion, eight hundred thirty-eight billion, three hundred seventy-five million, eight hundred thirty-eight thousand, two hundred sixty-one".