2268272749 has 2 divisors, whose sum is σ = 2268272750. Its totient is φ = 2268272748.

The previous prime is 2268272711. The next prime is 2268272803. The reversal of 2268272749 is 9472728622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100388900 + 167883849 = 45830^2 + 12957^2 .

It is a cyclic number.

It is not a de Polignac number, because 2268272749 - 2⁷ = 2268272621 is a prime.

It is a super-2 number, since 2×2268272749² = 10290122527712034002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2268272849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134136374 + 1134136375.

It is an arithmetic number, because the mean of its divisors is an integer number (1134136375).

Almost surely, 2^2268272749 is an apocalyptic number.

It is an amenable number.

2268272749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268272749 is an equidigital number, since it uses as much as digits as its factorization.

2268272749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 2268272749 is about 47626.3871084087. The cubic root of 2268272749 is about 1313.9084078211.

The spelling of 2268272749 in words is "two billion, two hundred sixty-eight million, two hundred seventy-two thousand, seven hundred forty-nine".