918618059 has 4 divisors (see below), whose sum is σ = 921081216. Its totient is φ = 916154904.

The previous prime is 918618049. The next prime is 918618097. The reversal of 918618059 is 950816819.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 950816819 = 12277 ⋅77447.

It is a cyclic number.

It is not a de Polignac number, because 918618059 - 2⁸ = 918617803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918618049) 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, 1231019 + ... + 1231764.

It is an arithmetic number, because the mean of its divisors is an integer number (230270304).

Almost surely, 2^918618059 is an apocalyptic number.

918618059 is a deficient number, since it is larger than the sum of its proper divisors (2463157).

918618059 is a wasteful number, since it uses less digits than its factorization.

918618059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463156.

The product of its (nonzero) digits is 155520, while the sum is 47.

The square root of 918618059 is about 30308.7125922564. The cubic root of 918618059 is about 972.1016037867.

The spelling of 918618059 in words is "nine hundred eighteen million, six hundred eighteen thousand, fifty-nine".