22413243449 has 2 divisors, whose sum is σ = 22413243450. Its totient is φ = 22413243448.

The previous prime is 22413243409. The next prime is 22413243451. The reversal of 22413243449 is 94434231422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11420769424 + 10992474025 = 106868^2 + 104845^2 .

It is a cyclic number.

It is not a de Polignac number, because 22413243449 - 2¹² = 22413239353 is a prime.

Together with 22413243451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22413243409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206621724 + 11206621725.

It is an arithmetic number, because the mean of its divisors is an integer number (11206621725).

Almost surely, 2^22413243449 is an apocalyptic number.

It is an amenable number.

22413243449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22413243449 is an equidigital number, since it uses as much as digits as its factorization.

22413243449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 38.

The spelling of 22413243449 in words is "twenty-two billion, four hundred thirteen million, two hundred forty-three thousand, four hundred forty-nine".