5380244665 has 8 divisors (see below), whose sum is σ = 6461004168. Its totient is φ = 4301055360.

The previous prime is 5380244651. The next prime is 5380244671. The reversal of 5380244665 is 5664420835.

It can be written as a sum of positive squares in 4 ways, for example, as 2501600256 + 2878644409 = 50016^2 + 53653^2 .

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

It is not a de Polignac number, because 5380244665 - 2⁷ = 5380244537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384996 + ... + 398725.

It is an arithmetic number, because the mean of its divisors is an integer number (807625521).

Almost surely, 2^5380244665 is an apocalyptic number.

It is an amenable number.

5380244665 is a deficient number, since it is larger than the sum of its proper divisors (1080759503).

5380244665 is a wasteful number, since it uses less digits than its factorization.

5380244665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785099.

The product of its (nonzero) digits is 691200, while the sum is 43.

The square root of 5380244665 is about 73350.1510905056. The cubic root of 5380244665 is about 1752.2685860453.

The spelling of 5380244665 in words is "five billion, three hundred eighty million, two hundred forty-four thousand, six hundred sixty-five".