2421422651 has 2 divisors, whose sum is σ = 2421422652. Its totient is φ = 2421422650.

The previous prime is 2421422639. The next prime is 2421422671. The reversal of 2421422651 is 1562241242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421422651 - 2⁶ = 2421422587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421422671) 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, 1210711325 + 1210711326.

It is an arithmetic number, because the mean of its divisors is an integer number (1210711326).

Almost surely, 2^2421422651 is an apocalyptic number.

2421422651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421422651 is an equidigital number, since it uses as much as digits as its factorization.

2421422651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 29.

The square root of 2421422651 is about 49207.9531275179. The cubic root of 2421422651 is about 1342.8377248766.

Adding to 2421422651 its reverse (1562241242), we get a palindrome (3983663893).

The spelling of 2421422651 in words is "two billion, four hundred twenty-one million, four hundred twenty-two thousand, six hundred fifty-one".