6189897289 has 2 divisors, whose sum is σ = 6189897290. Its totient is φ = 6189897288.

The previous prime is 6189897137. The next prime is 6189897313. The reversal of 6189897289 is 9827989816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3797024400 + 2392872889 = 61620^2 + 48917^2 .

It is a cyclic number.

It is not a de Polignac number, because 6189897289 - 2⁹ = 6189896777 is a prime.

It is not a weakly prime, because it can be changed into another prime (6189891289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3094948644 + 3094948645.

It is an arithmetic number, because the mean of its divisors is an integer number (3094948645).

Almost surely, 2^6189897289 is an apocalyptic number.

It is an amenable number.

6189897289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6189897289 is an equidigital number, since it uses as much as digits as its factorization.

6189897289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 67.

The square root of 6189897289 is about 78675.9003062564. The cubic root of 6189897289 is about 1836.0921798633.

The spelling of 6189897289 in words is "six billion, one hundred eighty-nine million, eight hundred ninety-seven thousand, two hundred eighty-nine".