2105424473 has 2 divisors, whose sum is σ = 2105424474. Its totient is φ = 2105424472.

The previous prime is 2105424443. The next prime is 2105424481. The reversal of 2105424473 is 3744245012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1354828864 + 750595609 = 36808^2 + 27397^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105424473 - 2¹⁰ = 2105423449 is a prime.

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, 1052712236 + 1052712237.

It is an arithmetic number, because the mean of its divisors is an integer number (1052712237).

Almost surely, 2^2105424473 is an apocalyptic number.

It is an amenable number.

2105424473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105424473 is an equidigital number, since it uses as much as digits as its factorization.

2105424473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2105424473 is about 45884.9046310440. The cubic root of 2105424473 is about 1281.6808307929.

Adding to 2105424473 its reverse (3744245012), we get a palindrome (5849669485).

The spelling of 2105424473 in words is "two billion, one hundred five million, four hundred twenty-four thousand, four hundred seventy-three".