2001141999 has 24 divisors (see below), whose sum is σ = 2943083520. Its totient is φ = 1309898448.

The previous prime is 2001141971. The next prime is 2001142007. The reversal of 2001141999 is 9991411002.

It is not a de Polignac number, because 2001141999 - 2⁹ = 2001141487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001141599) 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 23 ways as a sum of consecutive naturals, for example, 575464 + ... + 578930.

It is an arithmetic number, because the mean of its divisors is an integer number (122628480).

Almost surely, 2^2001141999 is an apocalyptic number.

2001141999 is a deficient number, since it is larger than the sum of its proper divisors (941941521).

2001141999 is a wasteful number, since it uses less digits than its factorization.

2001141999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619 (or 4616 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 2001141999 is about 44734.1256648657. The cubic root of 2001141999 is about 1260.1608090297.

The spelling of 2001141999 in words is "two billion, one million, one hundred forty-one thousand, nine hundred ninety-nine".