2318056861 has 4 divisors (see below), whose sum is σ = 2319483232. Its totient is φ = 2316630492.

The previous prime is 2318056847. The next prime is 2318056891. The reversal of 2318056861 is 1686508132.

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 a cyclic number.

It is not a de Polignac number, because 2318056861 - 2¹⁷ = 2317925789 is a prime.

It is a super-2 number, since 2×2318056861² = 10746775221658346642, 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 (2318056891) 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, 710745 + ... + 713998.

It is an arithmetic number, because the mean of its divisors is an integer number (579870808).

Almost surely, 2^2318056861 is an apocalyptic number.

It is an amenable number.

2318056861 is a deficient number, since it is larger than the sum of its proper divisors (1426371).

2318056861 is a wasteful number, since it uses less digits than its factorization.

2318056861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426370.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 2318056861 is about 48146.2029759357. The cubic root of 2318056861 is about 1323.4514931846.

The spelling of 2318056861 in words is "two billion, three hundred eighteen million, fifty-six thousand, eight hundred sixty-one".