2081630063 has 16 divisors (see below), whose sum is σ = 2303944800. Its totient is φ = 1872823680.

The previous prime is 2081630041. The next prime is 2081630069. The reversal of 2081630063 is 3600361802.

It is a cyclic number.

It is not a de Polignac number, because 2081630063 - 2⁶ = 2081629999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081630069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2645 + ... + 64577.

It is an arithmetic number, because the mean of its divisors is an integer number (143996550).

Almost surely, 2^2081630063 is an apocalyptic number.

2081630063 is a deficient number, since it is larger than the sum of its proper divisors (222314737).

2081630063 is a wasteful number, since it uses less digits than its factorization.

2081630063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62042.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2081630063 is about 45624.8842519080. The cubic root of 2081630063 is about 1276.8342305252.

Adding to 2081630063 its reverse (3600361802), we get a palindrome (5681991865).

The spelling of 2081630063 in words is "two billion, eighty-one million, six hundred thirty thousand, sixty-three".