2001982963 has 4 divisors (see below), whose sum is σ = 2004914808. Its totient is φ = 1999051120.

The previous prime is 2001982933. The next prime is 2001982967. The reversal of 2001982963 is 3692891002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001982963 - 2¹³ = 2001974771 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001982967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464898 + ... + 1466263.

It is an arithmetic number, because the mean of its divisors is an integer number (501228702).

Almost surely, 2^2001982963 is an apocalyptic number.

2001982963 is a deficient number, since it is larger than the sum of its proper divisors (2931845).

2001982963 is an equidigital number, since it uses as much as digits as its factorization.

2001982963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931844.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2001982963 is about 44743.5242577068. The cubic root of 2001982963 is about 1260.3373084917.

The spelling of 2001982963 in words is "two billion, one million, nine hundred eighty-two thousand, nine hundred sixty-three".