2001911329 has 16 divisors (see below), whose sum is σ = 2283531264. Its totient is φ = 1737221200.

The previous prime is 2001911323. The next prime is 2001911357. The reversal of 2001911329 is 9231191002.

It is not a de Polignac number, because 2001911329 - 2¹⁵ = 2001878561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001911297 and 2001911306.

It is not an unprimeable number, because it can be changed into a prime (2001911323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 119394 + ... + 135124.

It is an arithmetic number, because the mean of its divisors is an integer number (142720704).

Almost surely, 2^2001911329 is an apocalyptic number.

It is an amenable number.

2001911329 is a deficient number, since it is larger than the sum of its proper divisors (281619935).

2001911329 is a wasteful number, since it uses less digits than its factorization.

2001911329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16268.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2001911329 is about 44742.7237548185. The cubic root of 2001911329 is about 1260.3222760495.

The spelling of 2001911329 in words is "two billion, one million, nine hundred eleven thousand, three hundred twenty-nine".