3659143068 has 72 divisors (see below), whose sum is σ = 10632087648. Its totient is φ = 1039413888.

The previous prime is 3659143067. The next prime is 3659143073. The reversal of 3659143068 is 8603419563.

3659143068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659143067) 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, 1630 + ... + 85562.

It is an arithmetic number, because the mean of its divisors is an integer number (147667884).

Almost surely, 2^3659143068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3659143068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5316043824).

3659143068 is an abundant number, since it is smaller than the sum of its proper divisors (6972944580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3659143068 is a wasteful number, since it uses less digits than its factorization.

3659143068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84123 (or 84118 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 3659143068 is about 60490.8511098993. The cubic root of 3659143068 is about 1540.9662609753.

The spelling of 3659143068 in words is "three billion, six hundred fifty-nine million, one hundred forty-three thousand, sixty-eight".