5547740243 has 2 divisors, whose sum is σ = 5547740244. Its totient is φ = 5547740242.

The previous prime is 5547740239. The next prime is 5547740267. The reversal of 5547740243 is 3420477455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5547740243 - 2² = 5547740239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5547740243.

It is not a weakly prime, because it can be changed into another prime (5547710243) 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, 2773870121 + 2773870122.

It is an arithmetic number, because the mean of its divisors is an integer number (2773870122).

Almost surely, 2^5547740243 is an apocalyptic number.

5547740243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5547740243 is an equidigital number, since it uses as much as digits as its factorization.

5547740243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 41.

The square root of 5547740243 is about 74483.1540886931. The cubic root of 5547740243 is about 1770.2667246765.

The spelling of 5547740243 in words is "five billion, five hundred forty-seven million, seven hundred forty thousand, two hundred forty-three".