3894209694071 has 16 divisors (see below), whose sum is σ = 4044521829600. Its totient is φ = 3744968736768.

The previous prime is 3894209694061. The next prime is 3894209694077. The reversal of 3894209694071 is 1704969024983.

It is not a de Polignac number, because 3894209694071 - 2³⁴ = 3877029824887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3894209693995 and 3894209694013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894209694077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165988940 + ... + 166012398.

It is an arithmetic number, because the mean of its divisors is an integer number (252782614350).

Almost surely, 2^{3894209694071} is an apocalyptic number.

3894209694071 is a deficient number, since it is larger than the sum of its proper divisors (150312135529).

3894209694071 is a wasteful number, since it uses less digits than its factorization.

3894209694071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46018.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 3894209694071 in words is "three trillion, eight hundred ninety-four billion, two hundred nine million, six hundred ninety-four thousand, seventy-one".