5279865509 has 8 divisors (see below), whose sum is σ = 5296230240. Its totient is φ = 5263519536.

The previous prime is 5279865473. The next prime is 5279865523. The reversal of 5279865509 is 9055689725.

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

It is a cyclic number.

It is not a de Polignac number, because 5279865509 - 2¹² = 5279861413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5279865529) 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, 728387 + ... + 735599.

It is an arithmetic number, because the mean of its divisors is an integer number (662028780).

Almost surely, 2^5279865509 is an apocalyptic number.

It is an amenable number.

5279865509 is a deficient number, since it is larger than the sum of its proper divisors (16364731).

5279865509 is a wasteful number, since it uses less digits than its factorization.

5279865509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379.

The product of its (nonzero) digits is 6804000, while the sum is 56.

The square root of 5279865509 is about 72662.6830567108. The cubic root of 5279865509 is about 1741.3027532899.

The spelling of 5279865509 in words is "five billion, two hundred seventy-nine million, eight hundred sixty-five thousand, five hundred nine".