2009291111 has 8 divisors (see below), whose sum is σ = 2020926960. Its totient is φ = 1997681472.

The previous prime is 2009291099. The next prime is 2009291117. The reversal of 2009291111 is 1111929002.

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-2009291111 is a prime.

It is a super-2 number, since 2×2009291111² = 8074501537487228642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009291117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159116 + ... + 171278.

It is an arithmetic number, because the mean of its divisors is an integer number (252615870).

Almost surely, 2^2009291111 is an apocalyptic number.

2009291111 is a deficient number, since it is larger than the sum of its proper divisors (11635849).

2009291111 is a wasteful number, since it uses less digits than its factorization.

2009291111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13105.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 2009291111 is about 44825.1169658262. The cubic root of 2009291111 is about 1261.8690475456.

The spelling of 2009291111 in words is "two billion, nine million, two hundred ninety-one thousand, one hundred eleven".