2113834213 has 4 divisors (see below), whose sum is σ = 2238177420. Its totient is φ = 1989491008.

The previous prime is 2113834211. The next prime is 2113834249. The reversal of 2113834213 is 3124383112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 987090724 + 1126743489 = 31418^2 + 33567^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113834213 - 2¹ = 2113834211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113834211) 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, 62171578 + ... + 62171611.

It is an arithmetic number, because the mean of its divisors is an integer number (559544355).

Almost surely, 2^2113834213 is an apocalyptic number.

It is an amenable number.

2113834213 is a deficient number, since it is larger than the sum of its proper divisors (124343207).

2113834213 is a wasteful number, since it uses less digits than its factorization.

2113834213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124343206.

The product of its digits is 3456, while the sum is 28.

The square root of 2113834213 is about 45976.4528101070. The cubic root of 2113834213 is about 1283.3850450556.

The spelling of 2113834213 in words is "two billion, one hundred thirteen million, eight hundred thirty-four thousand, two hundred thirteen".