5440448947 has 2 divisors, whose sum is σ = 5440448948. Its totient is φ = 5440448946.

The previous prime is 5440448939. The next prime is 5440448989. The reversal of 5440448947 is 7498440445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5440448947 - 2³ = 5440448939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5440448947.

It is not a weakly prime, because it can be changed into another prime (5440448927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720224473 + 2720224474.

It is an arithmetic number, because the mean of its divisors is an integer number (2720224474).

Almost surely, 2^5440448947 is an apocalyptic number.

5440448947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5440448947 is an equidigital number, since it uses as much as digits as its factorization.

5440448947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The square root of 5440448947 is about 73759.3990417492. The cubic root of 5440448947 is about 1758.7802485003.

The spelling of 5440448947 in words is "five billion, four hundred forty million, four hundred forty-eight thousand, nine hundred forty-seven".