2991916329 has 8 divisors (see below), whose sum is σ = 4086520032. Its totient is φ = 1945961760.

The previous prime is 2991916327. The next prime is 2991916351. The reversal of 2991916329 is 9236191992.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2991916329 - 2¹ = 2991916327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2991916327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12162139 + ... + 12162384.

It is an arithmetic number, because the mean of its divisors is an integer number (510815004).

Almost surely, 2^2991916329 is an apocalyptic number.

It is an amenable number.

2991916329 is a deficient number, since it is larger than the sum of its proper divisors (1094603703).

2991916329 is a wasteful number, since it uses less digits than its factorization.

2991916329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24324567.

The product of its digits is 472392, while the sum is 51.

The square root of 2991916329 is about 54698.4124906747. The cubic root of 2991916329 is about 1440.9529971539.

The spelling of 2991916329 in words is "two billion, nine hundred ninety-one million, nine hundred sixteen thousand, three hundred twenty-nine".