5474909665 has 4 divisors (see below), whose sum is σ = 6569891604. Its totient is φ = 4379927728.

The previous prime is 5474909663. The next prime is 5474909677. The reversal of 5474909665 is 5669094745.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5669094745 = 5 ⋅1133818949.

It can be written as a sum of positive squares in 2 ways, for example, as 1755861409 + 3719048256 = 41903^2 + 60984^2 .

It is a cyclic number.

It is not a de Polignac number, because 5474909665 - 2¹ = 5474909663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5474909663) 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 3 ways as a sum of consecutive naturals, for example, 547490962 + ... + 547490971.

It is an arithmetic number, because the mean of its divisors is an integer number (1642472901).

Almost surely, 2^5474909665 is an apocalyptic number.

It is an amenable number.

5474909665 is a deficient number, since it is larger than the sum of its proper divisors (1094981939).

5474909665 is a wasteful number, since it uses less digits than its factorization.

5474909665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094981938.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The square root of 5474909665 is about 73992.6325048650. The cubic root of 5474909665 is about 1762.4859052911.

The spelling of 5474909665 in words is "five billion, four hundred seventy-four million, nine hundred nine thousand, six hundred sixty-five".