2111663339 has 4 divisors (see below), whose sum is σ = 2122719360. Its totient is φ = 2100607320.

The previous prime is 2111663299. The next prime is 2111663441. The reversal of 2111663339 is 9333661112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111663339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111663299 and 2111663308.

It is not an unprimeable number, because it can be changed into a prime (2111663639) 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, 5527724 + ... + 5528105.

It is an arithmetic number, because the mean of its divisors is an integer number (530679840).

Almost surely, 2^2111663339 is an apocalyptic number.

2111663339 is a deficient number, since it is larger than the sum of its proper divisors (11056021).

2111663339 is a wasteful number, since it uses less digits than its factorization.

2111663339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056020.

The product of its digits is 17496, while the sum is 35.

The square root of 2111663339 is about 45952.8382039673. The cubic root of 2111663339 is about 1282.9455559189.

The spelling of 2111663339 in words is "two billion, one hundred eleven million, six hundred sixty-three thousand, three hundred thirty-nine".