2691032092 has 48 divisors (see below), whose sum is σ = 5673024000. Its totient is φ = 1091116224.

The previous prime is 2691032087. The next prime is 2691032093. The reversal of 2691032092 is 2902301962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691032093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443334 + ... + 449362.

It is an arithmetic number, because the mean of its divisors is an integer number (118188000).

Almost surely, 2^2691032092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2691032092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2836512000).

2691032092 is an abundant number, since it is smaller than the sum of its proper divisors (2981991908).

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

2691032092 is a wasteful number, since it uses less digits than its factorization.

2691032092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6898 (or 6896 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2691032092 is about 51875.1587178295. The cubic root of 2691032092 is about 1390.9332607386.

The spelling of 2691032092 in words is "two billion, six hundred ninety-one million, thirty-two thousand, ninety-two".