2866944445 has 8 divisors (see below), whose sum is σ = 3533315544. Its totient is φ = 2231567424.

The previous prime is 2866944439. The next prime is 2866944467. The reversal of 2866944445 is 5444496682.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1670683876 + 1196260569 = 40874^2 + 34587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2866944445 - 2¹⁷ = 2866813373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2866944392 and 2866944401.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7748314 + ... + 7748683.

It is an arithmetic number, because the mean of its divisors is an integer number (441664443).

Almost surely, 2^2866944445 is an apocalyptic number.

It is an amenable number.

2866944445 is a deficient number, since it is larger than the sum of its proper divisors (666371099).

2866944445 is a wasteful number, since it uses less digits than its factorization.

2866944445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15497039.

The product of its digits is 6635520, while the sum is 52.

The square root of 2866944445 is about 53543.8553430737. The cubic root of 2866944445 is about 1420.6041938877.

The spelling of 2866944445 in words is "two billion, eight hundred sixty-six million, nine hundred forty-four thousand, four hundred forty-five".