941889109 has 16 divisors (see below), whose sum is σ = 1144796800. Its totient is φ = 756946944.

The previous prime is 941889079. The next prime is 941889119. The reversal of 941889109 is 901988149.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-941889109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (941889119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23604 + ... + 49405.

It is an arithmetic number, because the mean of its divisors is an integer number (71549800).

Almost surely, 2^941889109 is an apocalyptic number.

It is an amenable number.

941889109 is a deficient number, since it is larger than the sum of its proper divisors (202907691).

941889109 is a wasteful number, since it uses less digits than its factorization.

941889109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73132.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 941889109 is about 30690.2119412688. The cubic root of 941889109 is about 980.2418912128.

The spelling of 941889109 in words is "nine hundred forty-one million, eight hundred eighty-nine thousand, one hundred nine".