201044433091 has 8 divisors (see below), whose sum is σ = 212875079184. Its totient is φ = 189214287360.

The previous prime is 201044433011. The next prime is 201044433097. The reversal of 201044433091 is 190334440102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201044433091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201044433097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982336 + ... + 1169218.

It is an arithmetic number, because the mean of its divisors is an integer number (26609384898).

Almost surely, 2^201044433091 is an apocalyptic number.

201044433091 is a deficient number, since it is larger than the sum of its proper divisors (11830646093).

201044433091 is a wasteful number, since it uses less digits than its factorization.

201044433091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250181.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 201044433091 its reverse (190334440102), we get a palindrome (391378873193).

The spelling of 201044433091 in words is "two hundred one billion, forty-four million, four hundred thirty-three thousand, ninety-one".