5447305139 has 4 divisors (see below), whose sum is σ = 5448275424. Its totient is φ = 5446334856.

The previous prime is 5447305133. The next prime is 5447305159. The reversal of 5447305139 is 9315037445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5447305139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5447305096 and 5447305105.

It is not an unprimeable number, because it can be changed into a prime (5447305133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476672 + ... + 487965.

It is an arithmetic number, because the mean of its divisors is an integer number (1362068856).

Almost surely, 2^5447305139 is an apocalyptic number.

5447305139 is a deficient number, since it is larger than the sum of its proper divisors (970285).

5447305139 is an equidigital number, since it uses as much as digits as its factorization.

5447305139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970284.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 5447305139 is about 73805.8611425949. The cubic root of 5447305139 is about 1759.5187582103.

The spelling of 5447305139 in words is "five billion, four hundred forty-seven million, three hundred five thousand, one hundred thirty-nine".