5443007665 has 8 divisors (see below), whose sum is σ = 6596279208. Its totient is φ = 4311292800.

The previous prime is 5443007659. The next prime is 5443007699. The reversal of 5443007665 is 5667003445.

It can be written as a sum of positive squares in 4 ways, for example, as 3872946289 + 1570061376 = 62233^2 + 39624^2 .

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

It is not a de Polignac number, because 5443007665 - 2³¹ = 3295524017 is a prime.

It is a Duffinian number.

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, 5388612 + ... + 5389621.

It is an arithmetic number, because the mean of its divisors is an integer number (824534901).

Almost surely, 2^5443007665 is an apocalyptic number.

It is an amenable number.

5443007665 is a deficient number, since it is larger than the sum of its proper divisors (1153271543).

5443007665 is a wasteful number, since it uses less digits than its factorization.

5443007665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10778339.

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 5443007665 is about 73776.7420329741. The cubic root of 5443007665 is about 1759.0559314695.

The spelling of 5443007665 in words is "five billion, four hundred forty-three million, seven thousand, six hundred sixty-five".