4442247953 has 24 divisors (see below), whose sum is σ = 5310654888. Its totient is φ = 3690720000.

The previous prime is 4442247923. The next prime is 4442247959. The reversal of 4442247953 is 3597422444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 521985409 + 3920262544 = 22847^2 + 62612^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4442247953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4442247959) 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 in 23 ways as a sum of consecutive naturals, for example, 144893 + ... + 172853.

It is an arithmetic number, because the mean of its divisors is an integer number (221277287).

Almost surely, 2^4442247953 is an apocalyptic number.

It is an amenable number.

4442247953 is a deficient number, since it is larger than the sum of its proper divisors (868406935).

4442247953 is a wasteful number, since it uses less digits than its factorization.

4442247953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28097 (or 28086 counting only the distinct ones).

The product of its digits is 967680, while the sum is 44.

The square root of 4442247953 is about 66650.1909449628. The cubic root of 4442247953 is about 1643.8704875696.

The spelling of 4442247953 in words is "four billion, four hundred forty-two million, two hundred forty-seven thousand, nine hundred fifty-three".