2010909091 has 8 divisors (see below), whose sum is σ = 2042182800. Its totient is φ = 1979858400.

The previous prime is 2010909031. The next prime is 2010909127. The reversal of 2010909091 is 1909090102.

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-2010909091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010909011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37536 + ... + 73693.

It is an arithmetic number, because the mean of its divisors is an integer number (255272850).

Almost surely, 2^2010909091 is an apocalyptic number.

2010909091 is a deficient number, since it is larger than the sum of its proper divisors (31273709).

2010909091 is a wasteful number, since it uses less digits than its factorization.

2010909091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111509.

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 2010909091 is about 44843.1610281880. The cubic root of 2010909091 is about 1262.2076630065.

Adding to 2010909091 its reverse (1909090102), we get a palindrome (3919999193).

The spelling of 2010909091 in words is "two billion, ten million, nine hundred nine thousand, ninety-one".