3894109227091 has 8 divisors (see below), whose sum is σ = 3918077754624. Its totient is φ = 3870141654600.

The previous prime is 3894109227089. The next prime is 3894109227119. The reversal of 3894109227091 is 1907229014983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3894109227091 - 2¹ = 3894109227089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3894109227061) 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 7 ways as a sum of consecutive naturals, for example, 9049266 + ... + 9469816.

It is an arithmetic number, because the mean of its divisors is an integer number (489759719328).

Almost surely, 2^{3894109227091} is an apocalyptic number.

3894109227091 is a deficient number, since it is larger than the sum of its proper divisors (23968527533).

3894109227091 is a wasteful number, since it uses less digits than its factorization.

3894109227091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477521.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 3894109227091 in words is "three trillion, eight hundred ninety-four billion, one hundred nine million, two hundred twenty-seven thousand, ninety-one".