2068442449 has 2 divisors, whose sum is σ = 2068442450. Its totient is φ = 2068442448.

The previous prime is 2068442437. The next prime is 2068442483. The reversal of 2068442449 is 9442448602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1776032449 + 292410000 = 42143^2 + 17100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068442449 - 2¹¹ = 2068440401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2068442489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034221224 + 1034221225.

It is an arithmetic number, because the mean of its divisors is an integer number (1034221225).

Almost surely, 2^2068442449 is an apocalyptic number.

It is an amenable number.

2068442449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068442449 is an equidigital number, since it uses as much as digits as its factorization.

2068442449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 43.

The square root of 2068442449 is about 45480.1324646268. The cubic root of 2068442449 is about 1274.1321684327.

The spelling of 2068442449 in words is "two billion, sixty-eight million, four hundred forty-two thousand, four hundred forty-nine".