2181039027 has 4 divisors (see below), whose sum is σ = 2908052040. Its totient is φ = 1454026016.

The previous prime is 2181039011. The next prime is 2181039061. The reversal of 2181039027 is 7209301812.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2181039027 - 2⁴ = 2181039011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2181039227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363506502 + ... + 363506507.

It is an arithmetic number, because the mean of its divisors is an integer number (727013010).

Almost surely, 2^2181039027 is an apocalyptic number.

2181039027 is a deficient number, since it is larger than the sum of its proper divisors (727013013).

2181039027 is an equidigital number, since it uses as much as digits as its factorization.

2181039027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727013012.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2181039027 is about 46701.5955509017. The cubic root of 2181039027 is about 1296.8442245850.

The spelling of 2181039027 in words is "two billion, one hundred eighty-one million, thirty-nine thousand, twenty-seven".