2124896545 has 16 divisors (see below), whose sum is σ = 2614666320. Its totient is φ = 1656806400.

The previous prime is 2124896539. The next prime is 2124896549. The reversal of 2124896545 is 5456984212.

It can be written as a sum of positive squares in 8 ways, for example, as 531210304 + 1593686241 = 23048^2 + 39921^2 .

It is not a de Polignac number, because 2124896545 - 2⁵ = 2124896513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2124896495 and 2124896504.

It is not an unprimeable number, because it can be changed into a prime (2124896549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226855 + ... + 236035.

It is an arithmetic number, because the mean of its divisors is an integer number (163416645).

Almost surely, 2^2124896545 is an apocalyptic number.

It is an amenable number.

2124896545 is a deficient number, since it is larger than the sum of its proper divisors (489769775).

2124896545 is a wasteful number, since it uses less digits than its factorization.

2124896545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356.

The product of its digits is 691200, while the sum is 46.

The square root of 2124896545 is about 46096.6001457808. The cubic root of 2124896545 is about 1285.6199313092.

The spelling of 2124896545 in words is "two billion, one hundred twenty-four million, eight hundred ninety-six thousand, five hundred forty-five".