2986317813 has 4 divisors (see below), whose sum is σ = 3981757088. Its totient is φ = 1990878540.

The previous prime is 2986317791. The next prime is 2986317827. The reversal of 2986317813 is 3187136892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2986317813 - 2¹⁴ = 2986301429 is a prime.

It is a super-2 number, since 2×2986317813² = 17836188160482205938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986317853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497719633 + ... + 497719638.

It is an arithmetic number, because the mean of its divisors is an integer number (995439272).

Almost surely, 2^2986317813 is an apocalyptic number.

It is an amenable number.

2986317813 is a deficient number, since it is larger than the sum of its proper divisors (995439275).

2986317813 is an equidigital number, since it uses as much as digits as its factorization.

2986317813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995439274.

The product of its digits is 435456, while the sum is 48.

The square root of 2986317813 is about 54647.2123076740. The cubic root of 2986317813 is about 1440.0536587837.

The spelling of 2986317813 in words is "two billion, nine hundred eighty-six million, three hundred seventeen thousand, eight hundred thirteen".