6178679249 has 2 divisors, whose sum is σ = 6178679250. Its totient is φ = 6178679248.

The previous prime is 6178679239. The next prime is 6178679281. The reversal of 6178679249 is 9429768716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5505640000 + 673039249 = 74200^2 + 25943^2 .

It is a cyclic number.

It is not a de Polignac number, because 6178679249 - 2²⁰ = 6177630673 is a prime.

It is not a weakly prime, because it can be changed into another prime (6178679239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3089339624 + 3089339625.

It is an arithmetic number, because the mean of its divisors is an integer number (3089339625).

Almost surely, 2^6178679249 is an apocalyptic number.

It is an amenable number.

6178679249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6178679249 is an equidigital number, since it uses as much as digits as its factorization.

6178679249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 59.

The square root of 6178679249 is about 78604.5752421575. The cubic root of 6178679249 is about 1834.9823170196.

The spelling of 6178679249 in words is "six billion, one hundred seventy-eight million, six hundred seventy-nine thousand, two hundred forty-nine".