2191044702 has 96 divisors (see below), whose sum is σ = 5599497600. Its totient is φ = 565158720.

The previous prime is 2191044673. The next prime is 2191044719. The reversal of 2191044702 is 2074401912.

It is a self number, because there is not a number n which added to its sum of digits gives 2191044702.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 479593 + ... + 484139.

It is an arithmetic number, because the mean of its divisors is an integer number (58328100).

Almost surely, 2^2191044702 is an apocalyptic number.

2191044702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2191044702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2799748800).

2191044702 is an abundant number, since it is smaller than the sum of its proper divisors (3408452898).

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

2191044702 is a wasteful number, since it uses less digits than its factorization.

2191044702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726 (or 4719 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2191044702 is about 46808.5964540703. The cubic root of 2191044702 is about 1298.8243220853.

The spelling of 2191044702 in words is "two billion, one hundred ninety-one million, forty-four thousand, seven hundred two".