4427365665 has 64 divisors (see below), whose sum is σ = 7374028032. Its totient is φ = 2267136000.

The previous prime is 4427365639. The next prime is 4427365667. The reversal of 4427365665 is 5665637244.

It is not a de Polignac number, because 4427365665 - 2²¹ = 4425268513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4427365667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7366365 + ... + 7366965.

It is an arithmetic number, because the mean of its divisors is an integer number (115219188).

Almost surely, 2^4427365665 is an apocalyptic number.

It is an amenable number.

4427365665 is a deficient number, since it is larger than the sum of its proper divisors (2946662367).

4427365665 is a wasteful number, since it uses less digits than its factorization.

4427365665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850.

The product of its digits is 3628800, while the sum is 48.

The square root of 4427365665 is about 66538.4525293458. The cubic root of 4427365665 is about 1642.0326849229.

The spelling of 4427365665 in words is "four billion, four hundred twenty-seven million, three hundred sixty-five thousand, six hundred sixty-five".