3994050523694 has 128 divisors (see below), whose sum is σ = 7835420196864. Its totient is φ = 1494040917600.

The previous prime is 3994050523681. The next prime is 3994050523709. The reversal of 3994050523694 is 4963250504993.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73334837 + ... + 73389279.

It is an arithmetic number, because the mean of its divisors is an integer number (61214220288).

Almost surely, 2^{3994050523694} is an apocalyptic number.

3994050523694 is a deficient number, since it is larger than the sum of its proper divisors (3841369673170).

3994050523694 is a wasteful number, since it uses less digits than its factorization.

3994050523694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54643 (or 54621 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 59.

The spelling of 3994050523694 in words is "three trillion, nine hundred ninety-four billion, fifty million, five hundred twenty-three thousand, six hundred ninety-four".