109268569 has 2 divisors, whose sum is σ = 109268570. Its totient is φ = 109268568.

The previous prime is 109268539. The next prime is 109268573. The reversal of 109268569 is 965862901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54686025 + 54582544 = 7395^2 + 7388^2 .

It is a cyclic number.

It is not a de Polignac number, because 109268569 - 2⁹ = 109268057 is a prime.

It is a super-2 number, since 2×109268569² = 23879240342615522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109268519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54634284 + 54634285.

It is an arithmetic number, because the mean of its divisors is an integer number (54634285).

Almost surely, 2^109268569 is an apocalyptic number.

It is an amenable number.

109268569 is a deficient number, since it is larger than the sum of its proper divisors (1).

109268569 is an equidigital number, since it uses as much as digits as its factorization.

109268569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 109268569 is about 10453.1607181751. The cubic root of 109268569 is about 478.0776252148.

The spelling of 109268569 in words is "one hundred nine million, two hundred sixty-eight thousand, five hundred sixty-nine".