2005063894 has 8 divisors (see below), whose sum is σ = 3007789920. Its totient is φ = 1002467256.

The previous prime is 2005063891. The next prime is 2005063897. The reversal of 2005063894 is 4983605002.

It is an interprime number because it is at equal distance from previous prime (2005063891) and next prime (2005063897).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005063891) 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 3 ways as a sum of consecutive naturals, for example, 31987 + ... + 70945.

It is an arithmetic number, because the mean of its divisors is an integer number (375973740).

Almost surely, 2^2005063894 is an apocalyptic number.

2005063894 is a deficient number, since it is larger than the sum of its proper divisors (1002726026).

2005063894 is a wasteful number, since it uses less digits than its factorization.

2005063894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64694.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2005063894 is about 44777.9398141540. The cubic root of 2005063894 is about 1260.9835048131.

Adding to 2005063894 its reverse (4983605002), we get a palindrome (6988668896).

The spelling of 2005063894 in words is "two billion, five million, sixty-three thousand, eight hundred ninety-four".