2867242249 has 2 divisors, whose sum is σ = 2867242250. Its totient is φ = 2867242248.

The previous prime is 2867242247. The next prime is 2867242289. The reversal of 2867242249 is 9422427682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2866531600 + 710649 = 53540^2 + 843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2867242249 - 2¹ = 2867242247 is a prime.

It is a super-2 number, since 2×2867242249² = 16442156228901156002, which contains 22 as substring.

Together with 2867242247, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2867242199 and 2867242208.

It is not a weakly prime, because it can be changed into another prime (2867242241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433621124 + 1433621125.

It is an arithmetic number, because the mean of its divisors is an integer number (1433621125).

Almost surely, 2^2867242249 is an apocalyptic number.

It is an amenable number.

2867242249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2867242249 is an equidigital number, since it uses as much as digits as its factorization.

2867242249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

The square root of 2867242249 is about 53546.6362062081. The cubic root of 2867242249 is about 1420.6533806289.

The spelling of 2867242249 in words is "two billion, eight hundred sixty-seven million, two hundred forty-two thousand, two hundred forty-nine".