2240110909 has 2 divisors, whose sum is σ = 2240110910. Its totient is φ = 2240110908.

The previous prime is 2240110907. The next prime is 2240110931. The reversal of 2240110909 is 9090110422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1849258009 + 390852900 = 43003^2 + 19770^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240110909 - 2¹ = 2240110907 is a prime.

Together with 2240110907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240110903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120055454 + 1120055455.

It is an arithmetic number, because the mean of its divisors is an integer number (1120055455).

Almost surely, 2^2240110909 is an apocalyptic number.

It is an amenable number.

2240110909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240110909 is an equidigital number, since it uses as much as digits as its factorization.

2240110909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2240110909 is about 47329.8099404593. The cubic root of 2240110909 is about 1308.4481184032.

The spelling of 2240110909 in words is "two billion, two hundred forty million, one hundred ten thousand, nine hundred nine".