3201605625644 has 12 divisors (see below), whose sum is σ = 5613563802168. Its totient is φ = 1597730253600.

The previous prime is 3201605625539. The next prime is 3201605625683. The reversal of 3201605625644 is 4465265061023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3201605625595 and 3201605625604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768137462 + ... + 768141629.

It is an arithmetic number, because the mean of its divisors is an integer number (467796983514).

Almost surely, 2^{3201605625644} is an apocalyptic number.

It is an amenable number.

3201605625644 is a deficient number, since it is larger than the sum of its proper divisors (2411958176524).

3201605625644 is a wasteful number, since it uses less digits than its factorization.

3201605625644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536279616 (or 1536279614 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 3201605625644 in words is "three trillion, two hundred one billion, six hundred five million, six hundred twenty-five thousand, six hundred forty-four".