6308428729 has 2 divisors, whose sum is σ = 6308428730. Its totient is φ = 6308428728.

The previous prime is 6308428613. The next prime is 6308428741. The reversal of 6308428729 is 9278248036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5768098704 + 540330025 = 75948^2 + 23245^2 .

It is a cyclic number.

It is not a de Polignac number, because 6308428729 - 2⁷ = 6308428601 is a prime.

It is not a weakly prime, because it can be changed into another prime (6308428769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3154214364 + 3154214365.

It is an arithmetic number, because the mean of its divisors is an integer number (3154214365).

Almost surely, 2^6308428729 is an apocalyptic number.

It is an amenable number.

6308428729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6308428729 is an equidigital number, since it uses as much as digits as its factorization.

6308428729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 6308428729 is about 79425.6175865193. The cubic root of 6308428729 is about 1847.7380418065.

The spelling of 6308428729 in words is "six billion, three hundred eight million, four hundred twenty-eight thousand, seven hundred twenty-nine".