4474135665 has 24 divisors (see below), whose sum is σ = 7768987200. Its totient is φ = 2381953824.

The previous prime is 4474135661. The next prime is 4474135703. The reversal of 4474135665 is 5665314744.

4474135665 is a `hidden beast` number, since 4 + 4 + 74 + 13 + 566 + 5 = 666.

It is not a de Polignac number, because 4474135665 - 2² = 4474135661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4474135665.

It is not an unprimeable number, because it can be changed into a prime (4474135661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62965 + ... + 113634.

It is an arithmetic number, because the mean of its divisors is an integer number (323707800).

Almost surely, 2^4474135665 is an apocalyptic number.

4474135665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4474135665 is a deficient number, since it is larger than the sum of its proper divisors (3294851535).

4474135665 is a wasteful number, since it uses less digits than its factorization.

4474135665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177173 (or 177170 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 4474135665 is about 66888.9801462094. The cubic root of 4474135665 is about 1647.7945023372.

The spelling of 4474135665 in words is "four billion, four hundred seventy-four million, one hundred thirty-five thousand, six hundred sixty-five".