2489464091 has 2 divisors, whose sum is σ = 2489464092. Its totient is φ = 2489464090.

The previous prime is 2489464051. The next prime is 2489464093. The reversal of 2489464091 is 1904649842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2489464091 - 2⁶ = 2489464027 is a prime.

It is a Sophie Germain prime.

Together with 2489464093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2489464093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244732045 + 1244732046.

It is an arithmetic number, because the mean of its divisors is an integer number (1244732046).

Almost surely, 2^2489464091 is an apocalyptic number.

2489464091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489464091 is an equidigital number, since it uses as much as digits as its factorization.

2489464091 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 47.

The square root of 2489464091 is about 49894.5296700951. The cubic root of 2489464091 is about 1355.2995331873.

The spelling of 2489464091 in words is "two billion, four hundred eighty-nine million, four hundred sixty-four thousand, ninety-one".