4421005451 has 2 divisors, whose sum is σ = 4421005452. Its totient is φ = 4421005450.

The previous prime is 4421005429. The next prime is 4421005453. The reversal of 4421005451 is 1545001244.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4421005451 is a prime.

Together with 4421005453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4421005451.

It is not a weakly prime, because it can be changed into another prime (4421005453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210502725 + 2210502726.

It is an arithmetic number, because the mean of its divisors is an integer number (2210502726).

Almost surely, 2^4421005451 is an apocalyptic number.

4421005451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421005451 is an equidigital number, since it uses as much as digits as its factorization.

4421005451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4421005451 is about 66490.6418302606. The cubic root of 4421005451 is about 1641.2460106282.

Adding to 4421005451 its reverse (1545001244), we get a palindrome (5966006695).

The spelling of 4421005451 in words is "four billion, four hundred twenty-one million, five thousand, four hundred fifty-one".