2027971089 has 27 divisors (see below), whose sum is σ = 3115266843. Its totient is φ = 1271011392.

The previous prime is 2027971081. The next prime is 2027971103. The reversal of 2027971089 is 9801797202.

The square root of 2027971089 is 45033.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1578870225 + 449100864 = 39735^2 + 21192^2 .

It is not a de Polignac number, because 2027971089 - 2³ = 2027971081 is a prime.

It is a super-2 number, since 2×2027971089² = 8225333475639691842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2027971081) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2296242 + ... + 2297124.

Almost surely, 2^2027971089 is an apocalyptic number.

2027971089 is the 45033-rd square number.

2027971089 is the 22517-th centered octagonal number.

It is an amenable number.

2027971089 is a deficient number, since it is larger than the sum of its proper divisors (1087295754).

2027971089 is an frugal number, since it uses more digits than its factorization.

2027971089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The cubic root of 2027971089 is about 1265.7674396686.

The spelling of 2027971089 in words is "two billion, twenty-seven million, nine hundred seventy-one thousand, eighty-nine".