2113543450 has 24 divisors (see below), whose sum is σ = 3985049628. Its totient is φ = 833834880.

The previous prime is 2113543427. The next prime is 2113543469. The reversal of 2113543450 is 543453112.

It can be written as a sum of positive squares in 6 ways, for example, as 1461609361 + 651934089 = 38231^2 + 25533^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285877 + ... + 293176.

Almost surely, 2^2113543450 is an apocalyptic number.

2113543450 is a deficient number, since it is larger than the sum of its proper divisors (1871506178).

2113543450 is a wasteful number, since it uses less digits than its factorization.

2113543450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579138 (or 579133 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2113543450 is about 45973.2906153127. The cubic root of 2113543450 is about 1283.3261981200.

Adding to 2113543450 its reverse (543453112), we get a palindrome (2656996562).

The spelling of 2113543450 in words is "two billion, one hundred thirteen million, five hundred forty-three thousand, four hundred fifty".