2091330528 has 48 divisors (see below), whose sum is σ = 6273993600. Its totient is φ = 597522816.

The previous prime is 2091330491. The next prime is 2091330533. The reversal of 2091330528 is 8250331902.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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, 1555378 + ... + 1556721.

It is an arithmetic number, because the mean of its divisors is an integer number (130708200).

Almost surely, 2^2091330528 is an apocalyptic number.

2091330528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2091330528 is an abundant number, since it is smaller than the sum of its proper divisors (4182663072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2091330528 is a wasteful number, since it uses less digits than its factorization.

2091330528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112119 (or 3112111 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2091330528 is about 45731.0674268598. The cubic root of 2091330528 is about 1278.8145208905.

The spelling of 2091330528 in words is "two billion, ninety-one million, three hundred thirty thousand, five hundred twenty-eight".