2106422413 has 2 divisors, whose sum is σ = 2106422414. Its totient is φ = 2106422412.

The previous prime is 2106422411. The next prime is 2106422449. The reversal of 2106422413 is 3142246012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1220943364 + 885479049 = 34942^2 + 29757^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106422413 - 2¹ = 2106422411 is a prime.

Together with 2106422411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106422411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053211206 + 1053211207.

It is an arithmetic number, because the mean of its divisors is an integer number (1053211207).

Almost surely, 2^2106422413 is an apocalyptic number.

It is an amenable number.

2106422413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106422413 is an equidigital number, since it uses as much as digits as its factorization.

2106422413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2106422413 is about 45895.7777251895. Note that the first 4 decimals coincide. The cubic root of 2106422413 is about 1281.8832980477.

Adding to 2106422413 its reverse (3142246012), we get a palindrome (5248668425).

The spelling of 2106422413 in words is "two billion, one hundred six million, four hundred twenty-two thousand, four hundred thirteen".