2945931016 has 64 divisors (see below), whose sum is σ = 6529985280. Its totient is φ = 1219691520.

The previous prime is 2945931007. The next prime is 2945931047. The reversal of 2945931016 is 6101395492.

It is a self number, because there is not a number n which added to its sum of digits gives 2945931016.

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 15 ways as a sum of consecutive naturals, for example, 230260 + ... + 242716.

It is an arithmetic number, because the mean of its divisors is an integer number (102031020).

Almost surely, 2^2945931016 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 2945931016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3264992640).

2945931016 is an abundant number, since it is smaller than the sum of its proper divisors (3584054264).

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

2945931016 is a wasteful number, since it uses less digits than its factorization.

2945931016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614 (or 12610 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 2945931016 is about 54276.4314965529. The cubic root of 2945931016 is about 1433.5324369288.

The spelling of 2945931016 in words is "two billion, nine hundred forty-five million, nine hundred thirty-one thousand, sixteen".