3929407941644 has 12 divisors (see below), whose sum is σ = 6918650794104. Its totient is φ = 1952650571904.

The previous prime is 3929407941629. The next prime is 3929407941671. The reversal of 3929407941644 is 4461497049293.

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, 3013348997 + ... + 3013350300.

It is an arithmetic number, because the mean of its divisors is an integer number (576554232842).

Almost surely, 2^{3929407941644} is an apocalyptic number.

It is an amenable number.

3929407941644 is a deficient number, since it is larger than the sum of its proper divisors (2989242852460).

3929407941644 is a wasteful number, since it uses less digits than its factorization.

3929407941644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026699464 (or 6026699462 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 3929407941644 in words is "three trillion, nine hundred twenty-nine billion, four hundred seven million, nine hundred forty-one thousand, six hundred forty-four".