2127493289 has 4 divisors (see below), whose sum is σ = 2239466640. Its totient is φ = 2015519940.

The previous prime is 2127493253. The next prime is 2127493301. The reversal of 2127493289 is 9823947212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2127493289 - 2²⁰ = 2126444713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2127493219) 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, 55986647 + ... + 55986684.

It is an arithmetic number, because the mean of its divisors is an integer number (559866660).

Almost surely, 2^2127493289 is an apocalyptic number.

It is an amenable number.

2127493289 is a deficient number, since it is larger than the sum of its proper divisors (111973351).

2127493289 is a wasteful number, since it uses less digits than its factorization.

2127493289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111973350.

The product of its digits is 435456, while the sum is 47.

The square root of 2127493289 is about 46124.7578747033. The cubic root of 2127493289 is about 1286.1434182617.

The spelling of 2127493289 in words is "two billion, one hundred twenty-seven million, four hundred ninety-three thousand, two hundred eighty-nine".