4445323263 has 12 divisors (see below), whose sum is σ = 6427145608. Its totient is φ = 2960722800.

The previous prime is 4445323237. The next prime is 4445323283. The reversal of 4445323263 is 3623235444.

It is not a de Polignac number, because 4445323263 - 2⁹ = 4445322751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445323283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225520 + ... + 244437.

Almost surely, 2^4445323263 is an apocalyptic number.

4445323263 is a deficient number, since it is larger than the sum of its proper divisors (1981822345).

4445323263 is a wasteful number, since it uses less digits than its factorization.

4445323263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471014 (or 471011 counting only the distinct ones).

The product of its digits is 207360, while the sum is 36.

The square root of 4445323263 is about 66673.2574800422. The cubic root of 4445323263 is about 1644.2497433917.

The spelling of 4445323263 in words is "four billion, four hundred forty-five million, three hundred twenty-three thousand, two hundred sixty-three".