2027812189 has 16 divisors (see below), whose sum is σ = 2245936000. Its totient is φ = 1819008576.

The previous prime is 2027812169. The next prime is 2027812201. The reversal of 2027812189 is 9812187202.

It is a cyclic number.

It is not a de Polignac number, because 2027812189 - 2¹⁹ = 2027287901 is a prime.

It is a super-2 number, since 2×2027812189² = 8224044547713943442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027812109) 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, 102127 + ... + 120355.

It is an arithmetic number, because the mean of its divisors is an integer number (140371000).

Almost surely, 2^2027812189 is an apocalyptic number.

It is an amenable number.

2027812189 is a deficient number, since it is larger than the sum of its proper divisors (218123811).

2027812189 is a wasteful number, since it uses less digits than its factorization.

2027812189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 2027812189 is about 45031.2357036757. The cubic root of 2027812189 is about 1265.7343794176.

The spelling of 2027812189 in words is "two billion, twenty-seven million, eight hundred twelve thousand, one hundred eighty-nine".