2421141991 has 2 divisors, whose sum is σ = 2421141992. Its totient is φ = 2421141990.

The previous prime is 2421141979. The next prime is 2421142001. The reversal of 2421141991 is 1991411242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421141991 - 2¹¹ = 2421139943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421141941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210570995 + 1210570996.

It is an arithmetic number, because the mean of its divisors is an integer number (1210570996).

Almost surely, 2^2421141991 is an apocalyptic number.

2421141991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421141991 is an equidigital number, since it uses as much as digits as its factorization.

2421141991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 34.

The square root of 2421141991 is about 49205.1012700919. The cubic root of 2421141991 is about 1342.7858414108.

The spelling of 2421141991 in words is "two billion, four hundred twenty-one million, one hundred forty-one thousand, nine hundred ninety-one".