5439009547 has 2 divisors, whose sum is σ = 5439009548. Its totient is φ = 5439009546.

The previous prime is 5439009533. The next prime is 5439009557. The reversal of 5439009547 is 7459009345.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5439009547 - 2¹⁵ = 5438976779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5439009497 and 5439009506.

It is not a weakly prime, because it can be changed into another prime (5439009557) 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, 2719504773 + 2719504774.

It is an arithmetic number, because the mean of its divisors is an integer number (2719504774).

Almost surely, 2^5439009547 is an apocalyptic number.

5439009547 is a deficient number, since it is larger than the sum of its proper divisors (1).

5439009547 is an equidigital number, since it uses as much as digits as its factorization.

5439009547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 5439009547 is about 73749.6409957364. The cubic root of 5439009547 is about 1758.6251257883.

The spelling of 5439009547 in words is "five billion, four hundred thirty-nine million, nine thousand, five hundred forty-seven".