2001732113 has 4 divisors (see below), whose sum is σ = 2088763968. Its totient is φ = 1914700260.

The previous prime is 2001732091. The next prime is 2001732127. The reversal of 2001732113 is 3112371002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2001732113 - 2¹⁸ = 2001469969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001732193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43515893 + ... + 43515938.

It is an arithmetic number, because the mean of its divisors is an integer number (522190992).

Almost surely, 2^2001732113 is an apocalyptic number.

2001732113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2001732113 is a deficient number, since it is larger than the sum of its proper divisors (87031855).

2001732113 is an equidigital number, since it uses as much as digits as its factorization.

2001732113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87031854.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2001732113 is about 44740.7209709455. The cubic root of 2001732113 is about 1260.2846658827.

The spelling of 2001732113 in words is "two billion, one million, seven hundred thirty-two thousand, one hundred thirteen".