5440682309 has 2 divisors, whose sum is σ = 5440682310. Its totient is φ = 5440682308.

The previous prime is 5440682263. The next prime is 5440682339. The reversal of 5440682309 is 9032860445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5372157025 + 68525284 = 73295^2 + 8278^2 .

It is a cyclic number.

It is not a de Polignac number, because 5440682309 - 2²⁸ = 5172246853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5440682339) 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, 2720341154 + 2720341155.

It is an arithmetic number, because the mean of its divisors is an integer number (2720341155).

Almost surely, 2^5440682309 is an apocalyptic number.

It is an amenable number.

5440682309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5440682309 is an equidigital number, since it uses as much as digits as its factorization.

5440682309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 5440682309 is about 73760.9809384338. The cubic root of 5440682309 is about 1758.8053951143.

The spelling of 5440682309 in words is "five billion, four hundred forty million, six hundred eighty-two thousand, three hundred nine".