2981219328 has 132 divisors (see below), whose sum is σ = 8750974128. Its totient is φ = 977264640.

The previous prime is 2981219327. The next prime is 2981219357. The reversal of 2981219328 is 8239121892.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2981219327) 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, 559525 + ... + 564827.

Almost surely, 2^2981219328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2981219328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4375487064).

2981219328 is an abundant number, since it is smaller than the sum of its proper divisors (5769754800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2981219328 is a wasteful number, since it uses less digits than its factorization.

2981219328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390 (or 5369 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 2981219328 is about 54600.5432940003. The cubic root of 2981219328 is about 1439.2336663219.

The spelling of 2981219328 in words is "two billion, nine hundred eighty-one million, two hundred nineteen thousand, three hundred twenty-eight".