2006811963 has 48 divisors (see below), whose sum is σ = 3245629440. Its totient is φ = 1224883296.

The previous prime is 2006811949. The next prime is 2006811973. The reversal of 2006811963 is 3691186002.

It is not a de Polignac number, because 2006811963 - 2¹⁴ = 2006795579 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006811923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 577770 + ... + 581232.

It is an arithmetic number, because the mean of its divisors is an integer number (67617280).

Almost surely, 2^2006811963 is an apocalyptic number.

2006811963 is a deficient number, since it is larger than the sum of its proper divisors (1238817477).

2006811963 is a wasteful number, since it uses less digits than its factorization.

2006811963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625 (or 3606 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2006811963 is about 44797.4548719009. The cubic root of 2006811963 is about 1261.3498515590.

Adding to 2006811963 its reverse (3691186002), we get a palindrome (5697997965).

The spelling of 2006811963 in words is "two billion, six million, eight hundred eleven thousand, nine hundred sixty-three".