2991268307 has 8 divisors (see below), whose sum is σ = 3096833040. Its totient is φ = 2885864800.

The previous prime is 2991268261. The next prime is 2991268331. The reversal of 2991268307 is 7038621992.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2991268307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2991268387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1913 + ... + 77370.

It is an arithmetic number, because the mean of its divisors is an integer number (387104130).

Almost surely, 2^2991268307 is an apocalyptic number.

2991268307 is a deficient number, since it is larger than the sum of its proper divisors (105564733).

2991268307 is a wasteful number, since it uses less digits than its factorization.

2991268307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80613.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2991268307 is about 54692.4885793287. The cubic root of 2991268307 is about 1440.8489571827.

The spelling of 2991268307 in words is "two billion, nine hundred ninety-one million, two hundred sixty-eight thousand, three hundred seven".