2113595663 has 16 divisors (see below), whose sum is σ = 2269036800. Its totient is φ = 1962898560.

The previous prime is 2113595657. The next prime is 2113595681. The reversal of 2113595663 is 3665953112.

It is a cyclic number.

It is not a de Polignac number, because 2113595663 - 2¹⁶ = 2113530127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113595663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113595563) 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, 237095 + ... + 245847.

It is an arithmetic number, because the mean of its divisors is an integer number (141814800).

Almost surely, 2^2113595663 is an apocalyptic number.

2113595663 is a deficient number, since it is larger than the sum of its proper divisors (155441137).

2113595663 is a wasteful number, since it uses less digits than its factorization.

2113595663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022.

The product of its digits is 145800, while the sum is 41.

The square root of 2113595663 is about 45973.8584741372. The cubic root of 2113595663 is about 1283.3367658011.

The spelling of 2113595663 in words is "two billion, one hundred thirteen million, five hundred ninety-five thousand, six hundred sixty-three".