5399007665 has 4 divisors (see below), whose sum is σ = 6478809204. Its totient is φ = 4319206128.

The previous prime is 5399007637. The next prime is 5399007667. The reversal of 5399007665 is 5667009935.

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

It can be written as a sum of positive squares in 2 ways, for example, as 595408801 + 4803598864 = 24401^2 + 69308^2 .

It is a cyclic number.

It is not a de Polignac number, because 5399007665 - 2¹⁴ = 5398991281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5399007667) 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, 539900762 + ... + 539900771.

It is an arithmetic number, because the mean of its divisors is an integer number (1619702301).

Almost surely, 2^5399007665 is an apocalyptic number.

It is an amenable number.

5399007665 is a deficient number, since it is larger than the sum of its proper divisors (1079801539).

5399007665 is a wasteful number, since it uses less digits than its factorization.

5399007665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079801538.

The product of its (nonzero) digits is 1530900, while the sum is 50.

The square root of 5399007665 is about 73477.9399888157. The cubic root of 5399007665 is about 1754.3031694870.

The spelling of 5399007665 in words is "five billion, three hundred ninety-nine million, seven thousand, six hundred sixty-five".