3660259859 has 4 divisors (see below), whose sum is σ = 3819401616. Its totient is φ = 3501118104.

The previous prime is 3660259847. The next prime is 3660259901. The reversal of 3660259859 is 9589520663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3660259859 - 2¹⁶ = 3660194323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3660259859.

It is not an unprimeable number, because it can be changed into a prime (3660259829) 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, 79570844 + ... + 79570889.

It is an arithmetic number, because the mean of its divisors is an integer number (954850404).

Almost surely, 2^3660259859 is an apocalyptic number.

3660259859 is a deficient number, since it is larger than the sum of its proper divisors (159141757).

3660259859 is a wasteful number, since it uses less digits than its factorization.

3660259859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159141756.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The square root of 3660259859 is about 60500.0814792840. The cubic root of 3660259859 is about 1541.1230155460.

The spelling of 3660259859 in words is "three billion, six hundred sixty million, two hundred fifty-nine thousand, eight hundred fifty-nine".