2421301391 has 2 divisors, whose sum is σ = 2421301392. Its totient is φ = 2421301390.

The previous prime is 2421301361. The next prime is 2421301429. The reversal of 2421301391 is 1931031242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421301391 - 2⁶ = 2421301327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2421301391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421301301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210650695 + 1210650696.

It is an arithmetic number, because the mean of its divisors is an integer number (1210650696).

Almost surely, 2^2421301391 is an apocalyptic number.

2421301391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421301391 is an equidigital number, since it uses as much as digits as its factorization.

2421301391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2421301391 is about 49206.7209941894. The cubic root of 2421301391 is about 1342.8153089605.

The spelling of 2421301391 in words is "two billion, four hundred twenty-one million, three hundred one thousand, three hundred ninety-one".