6129873677209 has 2 divisors, whose sum is σ = 6129873677210. Its totient is φ = 6129873677208.

The previous prime is 6129873677149. The next prime is 6129873677227. The reversal of 6129873677209 is 9027763789216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5993511867225 + 136361809984 = 2448165^2 + 369272^2 .

It is a cyclic number.

It is not a de Polignac number, because 6129873677209 - 2²⁹ = 6129336806297 is a prime.

It is not a weakly prime, because it can be changed into another prime (6129873377209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3064936838604 + 3064936838605.

It is an arithmetic number, because the mean of its divisors is an integer number (3064936838605).

Almost surely, 2^{6129873677209} is an apocalyptic number.

It is an amenable number.

6129873677209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6129873677209 is an equidigital number, since it uses as much as digits as its factorization.

6129873677209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96018048, while the sum is 67.

The spelling of 6129873677209 in words is "six trillion, one hundred twenty-nine billion, eight hundred seventy-three million, six hundred seventy-seven thousand, two hundred nine".