2944209481 has 4 divisors (see below), whose sum is σ = 3117398292. Its totient is φ = 2771020672.

The previous prime is 2944209431. The next prime is 2944209491. The reversal of 2944209481 is 1849024492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1432244025 + 1511965456 = 37845^2 + 38884^2 .

It is not a de Polignac number, because 2944209481 - 2¹¹ = 2944207433 is a prime.

It is a super-2 number, since 2×2944209481² = 17336738936020578722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2944209421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 86594380 + ... + 86594413.

It is an arithmetic number, because the mean of its divisors is an integer number (779349573).

Almost surely, 2^2944209481 is an apocalyptic number.

It is an amenable number.

2944209481 is a deficient number, since it is larger than the sum of its proper divisors (173188811).

2944209481 is a wasteful number, since it uses less digits than its factorization.

2944209481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173188810.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2944209481 is about 54260.5702236901. The cubic root of 2944209481 is about 1433.2531412800.

The spelling of 2944209481 in words is "two billion, nine hundred forty-four million, two hundred nine thousand, four hundred eighty-one".