3645278708 has 12 divisors (see below), whose sum is σ = 6380922912. Its totient is φ = 1822157880.

The previous prime is 3645278701. The next prime is 3645278711. The reversal of 3645278708 is 8078725463.

3645278708 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 (3645278701) 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, 103058 + ... + 133833.

It is an arithmetic number, because the mean of its divisors is an integer number (531743576).

Almost surely, 2^3645278708 is an apocalyptic number.

It is an amenable number.

3645278708 is a deficient number, since it is larger than the sum of its proper divisors (2735644204).

3645278708 is a wasteful number, since it uses less digits than its factorization.

3645278708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240742 (or 240740 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The square root of 3645278708 is about 60376.1435336839. The cubic root of 3645278708 is about 1539.0175760279.

The spelling of 3645278708 in words is "three billion, six hundred forty-five million, two hundred seventy-eight thousand, seven hundred eight".