4401944863 has 2 divisors, whose sum is σ = 4401944864. Its totient is φ = 4401944862.

The previous prime is 4401944819. The next prime is 4401944881. The reversal of 4401944863 is 3684491044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4401944863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4401944803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200972431 + 2200972432.

It is an arithmetic number, because the mean of its divisors is an integer number (2200972432).

Almost surely, 2^4401944863 is an apocalyptic number.

4401944863 is a deficient number, since it is larger than the sum of its proper divisors (1).

4401944863 is an equidigital number, since it uses as much as digits as its factorization.

4401944863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 4401944863 is about 66347.1541439420. The cubic root of 4401944863 is about 1638.8839401261.

The spelling of 4401944863 in words is "four billion, four hundred one million, nine hundred forty-four thousand, eight hundred sixty-three".