2871226949 has 2 divisors, whose sum is σ = 2871226950. Its totient is φ = 2871226948.

The previous prime is 2871226931. The next prime is 2871226987. The reversal of 2871226949 is 9496221782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2760766849 + 110460100 = 52543^2 + 10510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871226949 - 2¹² = 2871222853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2871226897 and 2871226906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2871226999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435613474 + 1435613475.

It is an arithmetic number, because the mean of its divisors is an integer number (1435613475).

Almost surely, 2^2871226949 is an apocalyptic number.

It is an amenable number.

2871226949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871226949 is an equidigital number, since it uses as much as digits as its factorization.

2871226949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 2871226949 is about 53583.8310407160. The cubic root of 2871226949 is about 1421.3111854333.

The spelling of 2871226949 in words is "two billion, eight hundred seventy-one million, two hundred twenty-six thousand, nine hundred forty-nine".