4417039661 has 4 divisors (see below), whose sum is σ = 4491904800. Its totient is φ = 4342174524.

The previous prime is 4417039639. The next prime is 4417039699. The reversal of 4417039661 is 1669307144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4417039661 - 2⁶ = 4417039597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4417039631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37432481 + ... + 37432598.

It is an arithmetic number, because the mean of its divisors is an integer number (1122976200).

Almost surely, 2^4417039661 is an apocalyptic number.

It is an amenable number.

4417039661 is a deficient number, since it is larger than the sum of its proper divisors (74865139).

4417039661 is an equidigital number, since it uses as much as digits as its factorization.

4417039661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74865138.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 4417039661 is about 66460.8129727586. The cubic root of 4417039661 is about 1640.7551129297.

The spelling of 4417039661 in words is "four billion, four hundred seventeen million, thirty-nine thousand, six hundred sixty-one".