2124434745 has 48 divisors (see below), whose sum is σ = 3896755200. Its totient is φ = 1067696640.

The previous prime is 2124434723. The next prime is 2124434747. The reversal of 2124434745 is 5474344212.

2124434745 is a `hidden beast` number, since 212 + 4 + 434 + 7 + 4 + 5 = 666.

2124434745 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2124434745 - 2⁵ = 2124434713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2124434747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156801 + ... + 169809.

It is an arithmetic number, because the mean of its divisors is an integer number (81182400).

Almost surely, 2^2124434745 is an apocalyptic number.

It is an amenable number.

2124434745 is a deficient number, since it is larger than the sum of its proper divisors (1772320455).

2124434745 is a wasteful number, since it uses less digits than its factorization.

2124434745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13230 (or 13227 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 2124434745 is about 46091.5908273950. The cubic root of 2124434745 is about 1285.5267907278.

Adding to 2124434745 its reverse (5474344212), we get a palindrome (7598778957).

The spelling of 2124434745 in words is "two billion, one hundred twenty-four million, four hundred thirty-four thousand, seven hundred forty-five".