2991713243 has 4 divisors (see below), whose sum is σ = 3004553448. Its totient is φ = 2978873040.

The previous prime is 2991713237. The next prime is 2991713273. The reversal of 2991713243 is 3423171992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2991713243 - 2⁸ = 2991712987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2991713243.

It is not an unprimeable number, because it can be changed into a prime (2991713203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6419753 + ... + 6420218.

It is an arithmetic number, because the mean of its divisors is an integer number (751138362).

Almost surely, 2^2991713243 is an apocalyptic number.

2991713243 is a deficient number, since it is larger than the sum of its proper divisors (12840205).

2991713243 is a wasteful number, since it uses less digits than its factorization.

2991713243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840204.

The product of its digits is 81648, while the sum is 41.

The square root of 2991713243 is about 54696.5560433196. The cubic root of 2991713243 is about 1440.9203933008.

The spelling of 2991713243 in words is "two billion, nine hundred ninety-one million, seven hundred thirteen thousand, two hundred forty-three".