6189897321 has 24 divisors (see below), whose sum is σ = 9149048064. Its totient is φ = 4030902720.

The previous prime is 6189897313. The next prime is 6189897331. The reversal of 6189897321 is 1237989816.

It is not a de Polignac number, because 6189897321 - 2³ = 6189897313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6189897331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206340 + ... + 234426.

It is an arithmetic number, because the mean of its divisors is an integer number (381210336).

Almost surely, 2^6189897321 is an apocalyptic number.

It is an amenable number.

6189897321 is a deficient number, since it is larger than the sum of its proper divisors (2959150743).

6189897321 is a wasteful number, since it uses less digits than its factorization.

6189897321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28661 (or 28658 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 6189897321 is about 78675.9005096224. The cubic root of 6189897321 is about 1836.0921830273.

The spelling of 6189897321 in words is "six billion, one hundred eighty-nine million, eight hundred ninety-seven thousand, three hundred twenty-one".