2146210399 has 2 divisors, whose sum is σ = 2146210400. Its totient is φ = 2146210398.

The previous prime is 2146210351. The next prime is 2146210421. The reversal of 2146210399 is 9930126412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2146210399 - 2¹³ = 2146202207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146210309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073105199 + 1073105200.

It is an arithmetic number, because the mean of its divisors is an integer number (1073105200).

Almost surely, 2^2146210399 is an apocalyptic number.

2146210399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146210399 is an equidigital number, since it uses as much as digits as its factorization.

2146210399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2146210399 is about 46327.2101361608. The cubic root of 2146210399 is about 1289.9041250381.

The spelling of 2146210399 in words is "two billion, one hundred forty-six million, two hundred ten thousand, three hundred ninety-nine".