5247946409 has 8 divisors (see below), whose sum is σ = 5477213952. Its totient is φ = 5018770240.

The previous prime is 5247946397. The next prime is 5247946423. The reversal of 5247946409 is 9046497425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5247946409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5247946439) 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 in 7 ways as a sum of consecutive naturals, for example, 111377 + ... + 151329.

It is an arithmetic number, because the mean of its divisors is an integer number (684651744).

Almost surely, 2^5247946409 is an apocalyptic number.

It is an amenable number.

5247946409 is a deficient number, since it is larger than the sum of its proper divisors (229267543).

5247946409 is a wasteful number, since it uses less digits than its factorization.

5247946409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45687.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 5247946409 is about 72442.7112206604. The cubic root of 5247946409 is about 1737.7866790153.

The spelling of 5247946409 in words is "five billion, two hundred forty-seven million, nine hundred forty-six thousand, four hundred nine".