2981015936 has 64 divisors (see below), whose sum is σ = 6131909520. Its totient is φ = 1442660352.

The previous prime is 2981015927. The next prime is 2981015951. The reversal of 2981015936 is 6395101892.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619556 + ... + 624348.

Almost surely, 2^2981015936 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 2981015936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3065954760).

2981015936 is an abundant number, since it is smaller than the sum of its proper divisors (3150893584).

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

2981015936 is a wasteful number, since it uses less digits than its factorization.

2981015936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963 (or 4951 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 2981015936 is about 54598.6807166620. The cubic root of 2981015936 is about 1439.2009352770.

The spelling of 2981015936 in words is "two billion, nine hundred eighty-one million, fifteen thousand, nine hundred thirty-six".