2124008865 has 256 divisors, whose sum is σ = 4622745600. Its totient is φ = 914457600.

The previous prime is 2124008851. The next prime is 2124008869. The reversal of 2124008865 is 5688004212.

It is not a de Polignac number, because 2124008865 - 2⁶ = 2124008801 is a prime.

It is a super-2 number, since 2×2124008865² = 9022827317197176450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2124008869) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 49395534 + ... + 49395576.

It is an arithmetic number, because the mean of its divisors is an integer number (18057600).

Almost surely, 2^2124008865 is an apocalyptic number.

It is an amenable number.

2124008865 is an abundant number, since it is smaller than the sum of its proper divisors (2498736735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2124008865 is a wasteful number, since it uses less digits than its factorization.

2124008865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2124008865 is about 46086.9706641693. The cubic root of 2124008865 is about 1285.4408828977.

The spelling of 2124008865 in words is "two billion, one hundred twenty-four million, eight thousand, eight hundred sixty-five".