2991158683 has 4 divisors (see below), whose sum is σ = 2992556608. Its totient is φ = 2989760760.

The previous prime is 2991158641. The next prime is 2991158689. The reversal of 2991158683 is 3868511992.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2991158683 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 2991158683.

It is not an unprimeable number, because it can be changed into a prime (2991158689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695748 + ... + 700033.

It is an arithmetic number, because the mean of its divisors is an integer number (748139152).

Almost surely, 2^2991158683 is an apocalyptic number.

2991158683 is a deficient number, since it is larger than the sum of its proper divisors (1397925).

2991158683 is a wasteful number, since it uses less digits than its factorization.

2991158683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397924.

The product of its digits is 933120, while the sum is 52.

The square root of 2991158683 is about 54691.4863849941. The cubic root of 2991158683 is about 1440.8313555569.

The spelling of 2991158683 in words is "two billion, nine hundred ninety-one million, one hundred fifty-eight thousand, six hundred eighty-three".