2100424245 has 16 divisors (see below), whose sum is σ = 3368174400. Its totient is φ = 1117727744.

The previous prime is 2100424237. The next prime is 2100424247. The reversal of 2100424245 is 5424240012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2100424245 - 2³ = 2100424237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100424247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 149199 + ... + 162668.

It is an arithmetic number, because the mean of its divisors is an integer number (210510900).

Almost surely, 2^2100424245 is an apocalyptic number.

It is an amenable number.

2100424245 is a deficient number, since it is larger than the sum of its proper divisors (1267750155).

2100424245 is a wasteful number, since it uses less digits than its factorization.

2100424245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312324.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2100424245 is about 45830.3856082403. The cubic root of 2100424245 is about 1280.6653939918.

Adding to 2100424245 its reverse (5424240012), we get a palindrome (7524664257).

The spelling of 2100424245 in words is "two billion, one hundred million, four hundred twenty-four thousand, two hundred forty-five".