2421381199 has 2 divisors, whose sum is σ = 2421381200. Its totient is φ = 2421381198.

The previous prime is 2421381197. The next prime is 2421381241. The reversal of 2421381199 is 9911831242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421381199 - 2¹ = 2421381197 is a prime.

Together with 2421381197, 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 (2421381191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210690599 + 1210690600.

It is an arithmetic number, because the mean of its divisors is an integer number (1210690600).

Almost surely, 2^2421381199 is an apocalyptic number.

2421381199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421381199 is an equidigital number, since it uses as much as digits as its factorization.

2421381199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The square root of 2421381199 is about 49207.5319336380. The cubic root of 2421381199 is about 1342.8300622150.

The spelling of 2421381199 in words is "two billion, four hundred twenty-one million, three hundred eighty-one thousand, one hundred ninety-nine".