2421131599 has 2 divisors, whose sum is σ = 2421131600. Its totient is φ = 2421131598.

The previous prime is 2421131597. The next prime is 2421131707. The reversal of 2421131599 is 9951311242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421131599 - 2¹ = 2421131597 is a prime.

Together with 2421131597, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421131591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210565799 + 1210565800.

It is an arithmetic number, because the mean of its divisors is an integer number (1210565800).

Almost surely, 2^2421131599 is an apocalyptic number.

2421131599 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421131599 is an equidigital number, since it uses as much as digits as its factorization.

2421131599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 2421131599 is about 49204.9956711714. The cubic root of 2421131599 is about 1342.7839202443.

The spelling of 2421131599 in words is "two billion, four hundred twenty-one million, one hundred thirty-one thousand, five hundred ninety-nine".