6180189021 has 12 divisors (see below), whose sum is σ = 8952670272. Its totient is φ = 4108250376.

The previous prime is 6180189011. The next prime is 6180189049. The reversal of 6180189021 is 1209810816.

6180189021 is a `hidden beast` number, since 618 + 0 + 18 + 9 + 0 + 21 = 666.

It is not a de Polignac number, because 6180189021 - 2¹⁰ = 6180187997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6180189011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 986341 + ... + 992586.

It is an arithmetic number, because the mean of its divisors is an integer number (746055856).

Almost surely, 2^6180189021 is an apocalyptic number.

It is an amenable number.

6180189021 is a deficient number, since it is larger than the sum of its proper divisors (2772481251).

6180189021 is a wasteful number, since it uses less digits than its factorization.

6180189021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979280 (or 1979277 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 6180189021 is about 78614.1782441310. The cubic root of 6180189021 is about 1835.1317653181.

Adding to 6180189021 its reverse (1209810816), we get a palindrome (7389999837).

The spelling of 6180189021 in words is "six billion, one hundred eighty million, one hundred eighty-nine thousand, twenty-one".