2421241447 has 2 divisors, whose sum is σ = 2421241448. Its totient is φ = 2421241446.

The previous prime is 2421241423. The next prime is 2421241451. The reversal of 2421241447 is 7441421242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421241447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421241547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210620723 + 1210620724.

It is an arithmetic number, because the mean of its divisors is an integer number (1210620724).

Almost surely, 2^2421241447 is an apocalyptic number.

2421241447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421241447 is an equidigital number, since it uses as much as digits as its factorization.

2421241447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 31.

The square root of 2421241447 is about 49206.1118866346. Note that the first 3 decimals coincide. The cubic root of 2421241447 is about 1342.8042275388.

Adding to 2421241447 its reverse (7441421242), we get a palindrome (9862662689).

The spelling of 2421241447 in words is "two billion, four hundred twenty-one million, two hundred forty-one thousand, four hundred forty-seven".