2444121047 has 2 divisors, whose sum is σ = 2444121048. Its totient is φ = 2444121046.

The previous prime is 2444120911. The next prime is 2444121049. The reversal of 2444121047 is 7401214442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2444121047 - 2¹⁰ = 2444120023 is a prime.

Together with 2444121049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2444121049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222060523 + 1222060524.

It is an arithmetic number, because the mean of its divisors is an integer number (1222060524).

Almost surely, 2^2444121047 is an apocalyptic number.

2444121047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2444121047 is an equidigital number, since it uses as much as digits as its factorization.

2444121047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 2444121047 is about 49438.0526214373. The cubic root of 2444121047 is about 1347.0205984952.

Adding to 2444121047 its reverse (7401214442), we get a palindrome (9845335489).

The spelling of 2444121047 in words is "two billion, four hundred forty-four million, one hundred twenty-one thousand, forty-seven".