4266788749 has 2 divisors, whose sum is σ = 4266788750. Its totient is φ = 4266788748.

The previous prime is 4266788689. The next prime is 4266788831. The reversal of 4266788749 is 9478876624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2578811524 + 1687977225 = 50782^2 + 41085^2 .

It is a cyclic number.

It is not a de Polignac number, because 4266788749 - 2²⁹ = 3729917837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4266788549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2133394374 + 2133394375.

It is an arithmetic number, because the mean of its divisors is an integer number (2133394375).

Almost surely, 2^4266788749 is an apocalyptic number.

It is an amenable number.

4266788749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4266788749 is an equidigital number, since it uses as much as digits as its factorization.

4266788749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32514048, while the sum is 61.

The square root of 4266788749 is about 65320.6609657312. The cubic root of 4266788749 is about 1621.9360013681.

The spelling of 4266788749 in words is "four billion, two hundred sixty-six million, seven hundred eighty-eight thousand, seven hundred forty-nine".