6129556229 has 2 divisors, whose sum is σ = 6129556230. Its totient is φ = 6129556228.

The previous prime is 6129556219. The next prime is 6129556231. The reversal of 6129556229 is 9226559216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5542802500 + 586753729 = 74450^2 + 24223^2 .

It is a cyclic number.

It is not a de Polignac number, because 6129556229 - 2³² = 1834588933 is a prime.

Together with 6129556231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6129556219) 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 as a sum of consecutive naturals, namely, 3064778114 + 3064778115.

It is an arithmetic number, because the mean of its divisors is an integer number (3064778115).

Almost surely, 2^6129556229 is an apocalyptic number.

It is an amenable number.

6129556229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6129556229 is an equidigital number, since it uses as much as digits as its factorization.

6129556229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 47.

The square root of 6129556229 is about 78291.4824805355. The cubic root of 6129556229 is about 1830.1064197024.

The spelling of 6129556229 in words is "six billion, one hundred twenty-nine million, five hundred fifty-six thousand, two hundred twenty-nine".