2444984891 has 2 divisors, whose sum is σ = 2444984892. Its totient is φ = 2444984890.

The previous prime is 2444984873. The next prime is 2444984921. The reversal of 2444984891 is 1984894442.

2444984891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2444984891 - 2¹⁰ = 2444983867 is a prime.

It is a super-2 number, since 2×2444984891² = 11955902234436563762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2444984821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222492445 + 1222492446.

It is an arithmetic number, because the mean of its divisors is an integer number (1222492446).

Almost surely, 2^2444984891 is an apocalyptic number.

2444984891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2444984891 is an equidigital number, since it uses as much as digits as its factorization.

2444984891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 53.

The square root of 2444984891 is about 49446.7884801430. The cubic root of 2444984891 is about 1347.1792756608.

The spelling of 2444984891 in words is "two billion, four hundred forty-four million, nine hundred eighty-four thousand, eight hundred ninety-one".