264775109 has 2 divisors, whose sum is σ = 264775110. Its totient is φ = 264775108.

The previous prime is 264775097. The next prime is 264775129. The reversal of 264775109 is 901577462.

264775109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210163009 + 54612100 = 14497^2 + 7390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264775109 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 (264775129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132387554 + 132387555.

It is an arithmetic number, because the mean of its divisors is an integer number (132387555).

Almost surely, 2^264775109 is an apocalyptic number.

It is an amenable number.

264775109 is a deficient number, since it is larger than the sum of its proper divisors (1).

264775109 is an equidigital number, since it uses as much as digits as its factorization.

264775109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 264775109 is about 16271.9116578231. The cubic root of 264775109 is about 642.1340779997.

The spelling of 264775109 in words is "two hundred sixty-four million, seven hundred seventy-five thousand, one hundred nine".