3644748805 has 8 divisors (see below), whose sum is σ = 4392000000. Its totient is φ = 2903598096.

The previous prime is 3644748803. The next prime is 3644748827. The reversal of 3644748805 is 5088474463.

3644748805 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 a cyclic number.

It is not a de Polignac number, because 3644748805 - 2¹ = 3644748803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644748803) 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, 1523805 + ... + 1526194.

It is an arithmetic number, because the mean of its divisors is an integer number (549000000).

Almost surely, 2^3644748805 is an apocalyptic number.

It is an amenable number.

3644748805 is a deficient number, since it is larger than the sum of its proper divisors (747251195).

3644748805 is a wasteful number, since it uses less digits than its factorization.

3644748805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050243.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The square root of 3644748805 is about 60371.7550266679. The cubic root of 3644748805 is about 1538.9429983238.

The spelling of 3644748805 in words is "three billion, six hundred forty-four million, seven hundred forty-eight thousand, eight hundred five".