3665242243 has 8 divisors (see below), whose sum is σ = 3948425936. Its totient is φ = 3382236000.

The previous prime is 3665242223. The next prime is 3665242247. The reversal of 3665242243 is 3422425663.

3665242243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3665242243 - 2¹⁷ = 3665111171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3665242247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208 + ... + 85618.

It is an arithmetic number, because the mean of its divisors is an integer number (493553242).

Almost surely, 2^3665242243 is an apocalyptic number.

3665242243 is a deficient number, since it is larger than the sum of its proper divisors (283183693).

3665242243 is a wasteful number, since it uses less digits than its factorization.

3665242243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88725.

The product of its digits is 207360, while the sum is 37.

The square root of 3665242243 is about 60541.2441481012. The cubic root of 3665242243 is about 1541.8219627591.

The spelling of 3665242243 in words is "three billion, six hundred sixty-five million, two hundred forty-two thousand, two hundred forty-three".