9218473869 has 16 divisors (see below), whose sum is σ = 13412729664. Its totient is φ = 5585270400.

The previous prime is 9218473841. The next prime is 9218473871. The reversal of 9218473869 is 9683748129.

It is not a de Polignac number, because 9218473869 - 2⁵ = 9218473837 is a prime.

It is a super-2 number, since 2×9218473869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9218473819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73857 + ... + 154569.

It is an arithmetic number, because the mean of its divisors is an integer number (838295604).

Almost surely, 2^9218473869 is an apocalyptic number.

It is an amenable number.

9218473869 is a deficient number, since it is larger than the sum of its proper divisors (4194255795).

9218473869 is a wasteful number, since it uses less digits than its factorization.

9218473869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84188.

The product of its digits is 5225472, while the sum is 57.

The square root of 9218473869 is about 96012.8838698224. The cubic root of 9218473869 is about 2096.7806961213.

The spelling of 9218473869 in words is "nine billion, two hundred eighteen million, four hundred seventy-three thousand, eight hundred sixty-nine".