2113612445 has 8 divisors (see below), whose sum is σ = 2898668544. Its totient is φ = 1449334224.

The previous prime is 2113612433. The next prime is 2113612469. The reversal of 2113612445 is 5442163112.

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

It is a cyclic number.

It is not a de Polignac number, because 2113612445 - 2⁶ = 2113612381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30194429 + ... + 30194498.

It is an arithmetic number, because the mean of its divisors is an integer number (362333568).

Almost surely, 2^2113612445 is an apocalyptic number.

It is an amenable number.

2113612445 is a deficient number, since it is larger than the sum of its proper divisors (785056099).

2113612445 is an equidigital number, since it uses as much as digits as its factorization.

2113612445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60388939.

The product of its digits is 5760, while the sum is 29.

The square root of 2113612445 is about 45974.0409905416. The cubic root of 2113612445 is about 1283.3401623669.

Adding to 2113612445 its reverse (5442163112), we get a palindrome (7555775557).

The spelling of 2113612445 in words is "two billion, one hundred thirteen million, six hundred twelve thousand, four hundred forty-five".