2991913384 has 16 divisors (see below), whose sum is σ = 5618334420. Its totient is φ = 1493690880.

The previous prime is 2991913339. The next prime is 2991913391. The reversal of 2991913384 is 4833191992.

2991913384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2234452900 + 757460484 = 47270^2 + 27522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277609 + ... + 288184.

Almost surely, 2^2991913384 is an apocalyptic number.

It is an amenable number.

2991913384 is a deficient number, since it is larger than the sum of its proper divisors (2626421036).

2991913384 is a wasteful number, since it uses less digits than its factorization.

2991913384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566460 (or 566456 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The square root of 2991913384 is about 54698.3855703256. The cubic root of 2991913384 is about 1440.9525243680.

The spelling of 2991913384 in words is "two billion, nine hundred ninety-one million, nine hundred thirteen thousand, three hundred eighty-four".