2489119891 has 2 divisors, whose sum is σ = 2489119892. Its totient is φ = 2489119890.

The previous prime is 2489119883. The next prime is 2489119933. The reversal of 2489119891 is 1989119842.

2489119891 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 2489119891 - 2³ = 2489119883 is a prime.

It is not a weakly prime, because it can be changed into another prime (2489119811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244559945 + 1244559946.

It is an arithmetic number, because the mean of its divisors is an integer number (1244559946).

Almost surely, 2^2489119891 is an apocalyptic number.

2489119891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489119891 is an equidigital number, since it uses as much as digits as its factorization.

2489119891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 52.

The square root of 2489119891 is about 49891.0802749349. The cubic root of 2489119891 is about 1355.2370678556.

The spelling of 2489119891 in words is "two billion, four hundred eighty-nine million, one hundred nineteen thousand, eight hundred ninety-one".