4243240222099 has 2 divisors, whose sum is σ = 4243240222100. Its totient is φ = 4243240222098.

The previous prime is 4243240222097. The next prime is 4243240222189. The reversal of 4243240222099 is 9902220423424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4243240222099 - 2¹ = 4243240222097 is a prime.

Together with 4243240222097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4243240222097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121620111049 + 2121620111050.

It is an arithmetic number, because the mean of its divisors is an integer number (2121620111050).

Almost surely, 2^{4243240222099} is an apocalyptic number.

4243240222099 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243240222099 is an equidigital number, since it uses as much as digits as its factorization.

4243240222099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 4243240222099 in words is "four trillion, two hundred forty-three billion, two hundred forty million, two hundred twenty-two thousand, ninety-nine".