918464873 has 2 divisors, whose sum is σ = 918464874. Its totient is φ = 918464872.

The previous prime is 918464849. The next prime is 918464891. The reversal of 918464873 is 378464819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 747038224 + 171426649 = 27332^2 + 13093^2 .

It is a cyclic number.

It is not a de Polignac number, because 918464873 - 2¹⁰ = 918463849 is a prime.

It is a super-2 number, since 2×918464873² = 1687155445869812258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (918464893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459232436 + 459232437.

It is an arithmetic number, because the mean of its divisors is an integer number (459232437).

Almost surely, 2^918464873 is an apocalyptic number.

It is an amenable number.

918464873 is a deficient number, since it is larger than the sum of its proper divisors (1).

918464873 is an equidigital number, since it uses as much as digits as its factorization.

918464873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 918464873 is about 30306.1853917645. The cubic root of 918464873 is about 972.0475658642.

The spelling of 918464873 in words is "nine hundred eighteen million, four hundred sixty-four thousand, eight hundred seventy-three".