3946065572644 has 12 divisors (see below), whose sum is σ = 7436815887004. Its totient is φ = 1821261033504.

The previous prime is 3946065572639. The next prime is 3946065572651. The reversal of 3946065572644 is 4462755606493.

3946065572644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1345948022500 + 2600117550144 = 1160150^2 + 1612488^2 .

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, 37942938147 + ... + 37942938250.

Almost surely, 2^{3946065572644} is an apocalyptic number.

It is an amenable number.

3946065572644 is a deficient number, since it is larger than the sum of its proper divisors (3490750314360).

3946065572644 is a wasteful number, since it uses less digits than its factorization.

3946065572644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75885876414 (or 75885876412 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 61.

The spelling of 3946065572644 in words is "three trillion, nine hundred forty-six billion, sixty-five million, five hundred seventy-two thousand, six hundred forty-four".