2175042818 has 8 divisors (see below), whose sum is σ = 3513530748. Its totient is φ = 1003865904.

The previous prime is 2175042799. The next prime is 2175042839. The reversal of 2175042818 is 8182405712.

It can be written as a sum of positive squares in 2 ways, for example, as 2172771769 + 2271049 = 46613^2 + 1507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2175042818² = 9461622520266762248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41827721 + ... + 41827772.

Almost surely, 2^2175042818 is an apocalyptic number.

2175042818 is a deficient number, since it is larger than the sum of its proper divisors (1338487930).

2175042818 is a wasteful number, since it uses less digits than its factorization.

2175042818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83655508.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 2175042818 is about 46637.3543203300. The cubic root of 2175042818 is about 1295.6546866329.

The spelling of 2175042818 in words is "two billion, one hundred seventy-five million, forty-two thousand, eight hundred eighteen".