2009191102 has 8 divisors (see below), whose sum is σ = 3018475656. Its totient is φ = 1003032552.

The previous prime is 2009191097. The next prime is 2009191103. The reversal of 2009191102 is 2011919002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009191103) 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 3 ways as a sum of consecutive naturals, for example, 779893 + ... + 782464.

It is an arithmetic number, because the mean of its divisors is an integer number (377309457).

Almost surely, 2^2009191102 is an apocalyptic number.

2009191102 is a deficient number, since it is larger than the sum of its proper divisors (1009284554).

2009191102 is a wasteful number, since it uses less digits than its factorization.

2009191102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563002.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 2009191102 is about 44824.0014054970. The cubic root of 2009191102 is about 1261.8481114130.

The spelling of 2009191102 in words is "two billion, nine million, one hundred ninety-one thousand, one hundred two".