3543108644 has 12 divisors (see below), whose sum is σ = 6351670668. Its totient is φ = 1728345600.

The previous prime is 3543108643. The next prime is 3543108757. The reversal of 3543108644 is 4468013453.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1175118400 + 2367990244 = 34280^2 + 48662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3543108598 and 3543108607.

It is not an unprimeable number, because it can be changed into a prime (3543108643) 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, 10801997 + ... + 10802324.

It is an arithmetic number, because the mean of its divisors is an integer number (529305889).

Almost surely, 2^3543108644 is an apocalyptic number.

It is an amenable number.

3543108644 is a deficient number, since it is larger than the sum of its proper divisors (2808562024).

3543108644 is a wasteful number, since it uses less digits than its factorization.

3543108644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21604366 (or 21604364 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 3543108644 is about 59524.0173711419. The cubic root of 3543108644 is about 1524.5025548016.

The spelling of 3543108644 in words is "three billion, five hundred forty-three million, one hundred eight thousand, six hundred forty-four".