2191329014 has 32 divisors (see below), whose sum is σ = 3967142400. Its totient is φ = 886818240.

The previous prime is 2191329013. The next prime is 2191329029. The reversal of 2191329014 is 4109231912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2191329011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69482 + ... + 95970.

It is an arithmetic number, because the mean of its divisors is an integer number (123973200).

Almost surely, 2^2191329014 is an apocalyptic number.

2191329014 is a deficient number, since it is larger than the sum of its proper divisors (1775813386).

2191329014 is a wasteful number, since it uses less digits than its factorization.

2191329014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26828.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2191329014 is about 46811.6333190800. The cubic root of 2191329014 is about 1298.8804985399.

The spelling of 2191329014 in words is "two billion, one hundred ninety-one million, three hundred twenty-nine thousand, fourteen".