6429559189 has 2 divisors, whose sum is σ = 6429559190. Its totient is φ = 6429559188.

The previous prime is 6429559187. The next prime is 6429559259. The reversal of 6429559189 is 9819559246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5869858225 + 559700964 = 76615^2 + 23658^2 .

It is a cyclic number.

It is not a de Polignac number, because 6429559189 - 2¹ = 6429559187 is a prime.

Together with 6429559187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6429559187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214779594 + 3214779595.

It is an arithmetic number, because the mean of its divisors is an integer number (3214779595).

Almost surely, 2^6429559189 is an apocalyptic number.

It is an amenable number.

6429559189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429559189 is an equidigital number, since it uses as much as digits as its factorization.

6429559189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 58.

The square root of 6429559189 is about 80184.5321056374. The cubic root of 6429559189 is about 1859.4895108288.

The spelling of 6429559189 in words is "six billion, four hundred twenty-nine million, five hundred fifty-nine thousand, one hundred eighty-nine".