4144803663 has 32 divisors (see below), whose sum is σ = 7420073472. Its totient is φ = 1987516800.

The previous prime is 4144803629. The next prime is 4144803667. The reversal of 4144803663 is 3663084414.

It is a happy number.

It is not a de Polignac number, because 4144803663 - 2⁶ = 4144803599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144803667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687108 + ... + 693113.

It is an arithmetic number, because the mean of its divisors is an integer number (231877296).

Almost surely, 2^4144803663 is an apocalyptic number.

4144803663 is a deficient number, since it is larger than the sum of its proper divisors (3275269809).

4144803663 is a wasteful number, since it uses less digits than its factorization.

4144803663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380255.

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 4144803663 is about 64380.1496037404. The cubic root of 4144803663 is about 1606.3295709333.

The spelling of 4144803663 in words is "four billion, one hundred forty-four million, eight hundred three thousand, six hundred sixty-three".