2991509216 has 12 divisors (see below), whose sum is σ = 5889533832. Its totient is φ = 1495754592.

The previous prime is 2991509177. The next prime is 2991509221. The reversal of 2991509216 is 6129051992.

2991509216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46742300 + ... + 46742363.

It is an arithmetic number, because the mean of its divisors is an integer number (490794486).

Almost surely, 2^2991509216 is an apocalyptic number.

It is an amenable number.

2991509216 is a deficient number, since it is larger than the sum of its proper divisors (2898024616).

2991509216 is an equidigital number, since it uses as much as digits as its factorization.

2991509216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93484673 (or 93484665 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 2991509216 is about 54694.6909306561. The cubic root of 2991509216 is about 1440.8876368917.

The spelling of 2991509216 in words is "two billion, nine hundred ninety-one million, five hundred nine thousand, two hundred sixteen".