3544023645 has 16 divisors (see below), whose sum is σ = 6300486720. Its totient is φ = 1890145872.

The previous prime is 3544023629. The next prime is 3544023649. The reversal of 3544023645 is 5463204453.

3544023645 is a `hidden beast` number, since 3 + 5 + 4 + 4 + 0 + 2 + 3 + 645 = 666.

It is not a de Polignac number, because 3544023645 - 2⁴ = 3544023629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3544023649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13125879 + ... + 13126148.

It is an arithmetic number, because the mean of its divisors is an integer number (393780420).

Almost surely, 2^3544023645 is an apocalyptic number.

It is an amenable number.

3544023645 is a deficient number, since it is larger than the sum of its proper divisors (2756463075).

3544023645 is a wasteful number, since it uses less digits than its factorization.

3544023645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26252041 (or 26252035 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 3544023645 is about 59531.7028565453. The cubic root of 3544023645 is about 1524.6337767916.

The spelling of 3544023645 in words is "three billion, five hundred forty-four million, twenty-three thousand, six hundred forty-five".