2113445463 has 4 divisors (see below), whose sum is σ = 2817927288. Its totient is φ = 1408963640.

The previous prime is 2113445461. The next prime is 2113445473. The reversal of 2113445463 is 3645443112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2113445463 - 2¹ = 2113445461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113445461) 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, 352240908 + ... + 352240913.

It is an arithmetic number, because the mean of its divisors is an integer number (704481822).

Almost surely, 2^2113445463 is an apocalyptic number.

2113445463 is a deficient number, since it is larger than the sum of its proper divisors (704481825).

2113445463 is an equidigital number, since it uses as much as digits as its factorization.

2113445463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704481824.

The product of its digits is 34560, while the sum is 33.

The square root of 2113445463 is about 45972.2249080899. The cubic root of 2113445463 is about 1283.3063655134.

Adding to 2113445463 its reverse (3645443112), we get a palindrome (5758888575).

The spelling of 2113445463 in words is "two billion, one hundred thirteen million, four hundred forty-five thousand, four hundred sixty-three".