2271876449 has 2 divisors, whose sum is σ = 2271876450. Its totient is φ = 2271876448.

The previous prime is 2271876437. The next prime is 2271876469. The reversal of 2271876449 is 9446781722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1977136225 + 294740224 = 44465^2 + 17168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271876449 - 2²⁴ = 2255099233 is a prime.

It is a super-3 number, since 3×2271876449³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2271876397 and 2271876406.

It is not a weakly prime, because it can be changed into another prime (2271876469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135938224 + 1135938225.

It is an arithmetic number, because the mean of its divisors is an integer number (1135938225).

Almost surely, 2^2271876449 is an apocalyptic number.

It is an amenable number.

2271876449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271876449 is an equidigital number, since it uses as much as digits as its factorization.

2271876449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 50.

The square root of 2271876449 is about 47664.2051124321. The cubic root of 2271876449 is about 1314.6038601080.

The spelling of 2271876449 in words is "two billion, two hundred seventy-one million, eight hundred seventy-six thousand, four hundred forty-nine".