6139683149 has 2 divisors, whose sum is σ = 6139683150. Its totient is φ = 6139683148.

The previous prime is 6139683131. The next prime is 6139683163. The reversal of 6139683149 is 9413869316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3698829124 + 2440854025 = 60818^2 + 49405^2 .

It is a cyclic number.

It is not a de Polignac number, because 6139683149 - 2⁸ = 6139682893 is a prime.

It is a super-2 number, since 2×6139683149² = 75391418340229112402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6139683097 and 6139683106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6139683049) 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, 3069841574 + 3069841575.

It is an arithmetic number, because the mean of its divisors is an integer number (3069841575).

Almost surely, 2^6139683149 is an apocalyptic number.

It is an amenable number.

6139683149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6139683149 is an equidigital number, since it uses as much as digits as its factorization.

6139683149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The square root of 6139683149 is about 78356.1302579447. The cubic root of 6139683149 is about 1831.1137326505.

The spelling of 6139683149 in words is "six billion, one hundred thirty-nine million, six hundred eighty-three thousand, one hundred forty-nine".