2113544452 has 6 divisors (see below), whose sum is σ = 3698702798. Its totient is φ = 1056772224.

The previous prime is 2113544393. The next prime is 2113544491. The reversal of 2113544452 is 2544453112.

It can be written as a sum of positive squares in only one way, i.e., 2023560256 + 89984196 = 44984^2 + 9486^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264193053 + ... + 264193060.

Almost surely, 2^2113544452 is an apocalyptic number.

It is an amenable number.

2113544452 is a deficient number, since it is larger than the sum of its proper divisors (1585158346).

2113544452 is a wasteful number, since it uses less digits than its factorization.

2113544452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528386117 (or 528386115 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 2113544452 is about 45973.3015129434. The cubic root of 2113544452 is about 1283.3264009221.

Adding to 2113544452 its reverse (2544453112), we get a palindrome (4657997564).

The spelling of 2113544452 in words is "two billion, one hundred thirteen million, five hundred forty-four thousand, four hundred fifty-two".