5329239665 has 8 divisors (see below), whose sum is σ = 6615608040. Its totient is φ = 4116378112.

The previous prime is 5329239647. The next prime is 5329239683. The reversal of 5329239665 is 5669329235.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5329239647) and next prime (5329239683).

It can be written as a sum of positive squares in 4 ways, for example, as 969014641 + 4360225024 = 31129^2 + 66032^2 .

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 5329239665 - 2²² = 5325045361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18376544 + ... + 18376833.

It is an arithmetic number, because the mean of its divisors is an integer number (826951005).

Almost surely, 2^5329239665 is an apocalyptic number.

It is an amenable number.

5329239665 is a deficient number, since it is larger than the sum of its proper divisors (1286368375).

5329239665 is a wasteful number, since it uses less digits than its factorization.

5329239665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36753411.

The product of its digits is 2624400, while the sum is 50.

The square root of 5329239665 is about 73001.6415226397. The cubic root of 5329239665 is about 1746.7137964665.

The spelling of 5329239665 in words is "five billion, three hundred twenty-nine million, two hundred thirty-nine thousand, six hundred sixty-five".