3708644445 has 48 divisors (see below), whose sum is σ = 7021527552. Its totient is φ = 1795870080.

The previous prime is 3708644441. The next prime is 3708644461. The reversal of 3708644445 is 5444468073.

It is not a de Polignac number, because 3708644445 - 2² = 3708644441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3708644445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3708644441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429844 + ... + 438386.

It is an arithmetic number, because the mean of its divisors is an integer number (146281824).

Almost surely, 2^3708644445 is an apocalyptic number.

It is an amenable number.

3708644445 is a deficient number, since it is larger than the sum of its proper divisors (3312883107).

3708644445 is a wasteful number, since it uses less digits than its factorization.

3708644445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442 (or 9439 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The square root of 3708644445 is about 60898.6407483780. The cubic root of 3708644445 is about 1547.8839588616.

The spelling of 3708644445 in words is "three billion, seven hundred eight million, six hundred forty-four thousand, four hundred forty-five".