2991089522 has 16 divisors (see below), whose sum is σ = 4677903360. Its totient is φ = 1432600848.

The previous prime is 2991089513. The next prime is 2991089527. The reversal of 2991089522 is 2259801992.

It is not an unprimeable number, because it can be changed into a prime (2991089527) 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, 195668 + ... + 210399.

It is an arithmetic number, because the mean of its divisors is an integer number (292368960).

Almost surely, 2^2991089522 is an apocalyptic number.

2991089522 is a deficient number, since it is larger than the sum of its proper divisors (1686813838).

2991089522 is a wasteful number, since it uses less digits than its factorization.

2991089522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406225.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 2991089522 is about 54690.8540982859. The cubic root of 2991089522 is about 1440.8202505955.

The spelling of 2991089522 in words is "two billion, nine hundred ninety-one million, eighty-nine thousand, five hundred twenty-two".