2981144109 has 16 divisors (see below), whose sum is σ = 4105132544. Its totient is φ = 1922356800.

The previous prime is 2981144107. The next prime is 2981144113. The reversal of 2981144109 is 9014411892.

It is not a de Polignac number, because 2981144109 - 2¹ = 2981144107 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981144107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210867 + ... + 224559.

It is an arithmetic number, because the mean of its divisors is an integer number (256570784).

Almost surely, 2^2981144109 is an apocalyptic number.

It is an amenable number.

2981144109 is a deficient number, since it is larger than the sum of its proper divisors (1123988435).

2981144109 is a wasteful number, since it uses less digits than its factorization.

2981144109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16068.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 2981144109 is about 54599.8544778281. The cubic root of 2981144109 is about 1439.2215618085.

It can be divided in two parts, 29811 and 44109, that added together give a triangular number (73920 = T₃₈₄).

The spelling of 2981144109 in words is "two billion, nine hundred eighty-one million, one hundred forty-four thousand, one hundred nine".