2124421417 has 2 divisors, whose sum is σ = 2124421418. Its totient is φ = 2124421416.

The previous prime is 2124421379. The next prime is 2124421451. The reversal of 2124421417 is 7141244212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1403176681 + 721244736 = 37459^2 + 26856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124421417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2124421487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062210708 + 1062210709.

It is an arithmetic number, because the mean of its divisors is an integer number (1062210709).

Almost surely, 2^2124421417 is an apocalyptic number.

It is an amenable number.

2124421417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124421417 is an equidigital number, since it uses as much as digits as its factorization.

2124421417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 28.

The square root of 2124421417 is about 46091.4462454803. The cubic root of 2124421417 is about 1285.5241023991.

Adding to 2124421417 its reverse (7141244212), we get a palindrome (9265665629).

The spelling of 2124421417 in words is "two billion, one hundred twenty-four million, four hundred twenty-one thousand, four hundred seventeen".