4424021663 has 2 divisors, whose sum is σ = 4424021664. Its totient is φ = 4424021662.

The previous prime is 4424021653. The next prime is 4424021747. The reversal of 4424021663 is 3661204244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4424021663 - 2¹² = 4424017567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4424021653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212010831 + 2212010832.

It is an arithmetic number, because the mean of its divisors is an integer number (2212010832).

Almost surely, 2^4424021663 is an apocalyptic number.

4424021663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4424021663 is an equidigital number, since it uses as much as digits as its factorization.

4424021663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 4424021663 is about 66513.3194405451. The cubic root of 4424021663 is about 1641.6191701284.

The spelling of 4424021663 in words is "four billion, four hundred twenty-four million, twenty-one thousand, six hundred sixty-three".