264850109 has 2 divisors, whose sum is σ = 264850110. Its totient is φ = 264850108.

The previous prime is 264850099. The next prime is 264850151. The reversal of 264850109 is 901058462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248220025 + 16630084 = 15755^2 + 4078^2 .

It is a cyclic number.

It is not a de Polignac number, because 264850109 - 2¹⁶ = 264784573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264850189) 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, 132425054 + 132425055.

It is an arithmetic number, because the mean of its divisors is an integer number (132425055).

Almost surely, 2^264850109 is an apocalyptic number.

It is an amenable number.

264850109 is a deficient number, since it is larger than the sum of its proper divisors (1).

264850109 is an equidigital number, since it uses as much as digits as its factorization.

264850109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 264850109 is about 16274.2160794307. The cubic root of 264850109 is about 642.1947024160.

The spelling of 264850109 in words is "two hundred sixty-four million, eight hundred fifty thousand, one hundred nine".