2489231099 has 2 divisors, whose sum is σ = 2489231100. Its totient is φ = 2489231098.

The previous prime is 2489231083. The next prime is 2489231117. The reversal of 2489231099 is 9901329842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2489231099 - 2⁴ = 2489231083 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2489731099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244615549 + 1244615550.

It is an arithmetic number, because the mean of its divisors is an integer number (1244615550).

Almost surely, 2^2489231099 is an apocalyptic number.

2489231099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489231099 is an equidigital number, since it uses as much as digits as its factorization.

2489231099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 2489231099 is about 49892.1947703245. The cubic root of 2489231099 is about 1355.2572504859.

The spelling of 2489231099 in words is "two billion, four hundred eighty-nine million, two hundred thirty-one thousand, ninety-nine".