4408919663 has 2 divisors, whose sum is σ = 4408919664. Its totient is φ = 4408919662.

The previous prime is 4408919653. The next prime is 4408919693. The reversal of 4408919663 is 3669198044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4408919663 - 2²² = 4404725359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4408919653) 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, 2204459831 + 2204459832.

It is an arithmetic number, because the mean of its divisors is an integer number (2204459832).

Almost surely, 2^4408919663 is an apocalyptic number.

4408919663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4408919663 is an equidigital number, since it uses as much as digits as its factorization.

4408919663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 4408919663 is about 66399.6962568354. The cubic root of 4408919663 is about 1639.7490770922.

The spelling of 4408919663 in words is "four billion, four hundred eight million, nine hundred nineteen thousand, six hundred sixty-three".