918863313 has 16 divisors (see below), whose sum is σ = 1310779200. Its totient is φ = 570818880.

The previous prime is 918863303. The next prime is 918863329. The reversal of 918863313 is 313368819.

It is not a de Polignac number, because 918863313 - 2¹⁶ = 918797777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (918863303) 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 15 ways as a sum of consecutive naturals, for example, 128658 + ... + 135611.

It is an arithmetic number, because the mean of its divisors is an integer number (81923700).

Almost surely, 2^918863313 is an apocalyptic number.

It is an amenable number.

918863313 is a deficient number, since it is larger than the sum of its proper divisors (391915887).

918863313 is a wasteful number, since it uses less digits than its factorization.

918863313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264352.

The product of its digits is 93312, while the sum is 42.

The square root of 918863313 is about 30312.7582545700. The cubic root of 918863313 is about 972.1881071274.

The spelling of 918863313 in words is "nine hundred eighteen million, eight hundred sixty-three thousand, three hundred thirteen".