104243111449 has 2 divisors, whose sum is σ = 104243111450. Its totient is φ = 104243111448.

The previous prime is 104243111419. The next prime is 104243111473. The reversal of 104243111449 is 944111342401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94145876224 + 10097235225 = 306832^2 + 100485^2 .

It is an emirp because it is prime and its reverse (944111342401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104243111449 - 2¹¹ = 104243109401 is a prime.

It is not a weakly prime, because it can be changed into another prime (104243111419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52121555724 + 52121555725.

It is an arithmetic number, because the mean of its divisors is an integer number (52121555725).

Almost surely, 2^104243111449 is an apocalyptic number.

It is an amenable number.

104243111449 is a deficient number, since it is larger than the sum of its proper divisors (1).

104243111449 is an equidigital number, since it uses as much as digits as its factorization.

104243111449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 104243111449 in words is "one hundred four billion, two hundred forty-three million, one hundred eleven thousand, four hundred forty-nine".