2105424413 has 2 divisors, whose sum is σ = 2105424414. Its totient is φ = 2105424412.

The previous prime is 2105424407. The next prime is 2105424443. The reversal of 2105424413 is 3144245012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2105249689 + 174724 = 45883^2 + 418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105424413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105424403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052712206 + 1052712207.

It is an arithmetic number, because the mean of its divisors is an integer number (1052712207).

Almost surely, 2^2105424413 is an apocalyptic number.

It is an amenable number.

2105424413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105424413 is an equidigital number, since it uses as much as digits as its factorization.

2105424413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2105424413 is about 45884.9039772342. The cubic root of 2105424413 is about 1281.6808186179.

Adding to 2105424413 its reverse (3144245012), we get a palindrome (5249669425).

The spelling of 2105424413 in words is "two billion, one hundred five million, four hundred twenty-four thousand, four hundred thirteen".