6339509149 has 2 divisors, whose sum is σ = 6339509150. Its totient is φ = 6339509148.

The previous prime is 6339509107. The next prime is 6339509153. The reversal of 6339509149 is 9419059336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6301501924 + 38007225 = 79382^2 + 6165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6339509149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6339509549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169754574 + 3169754575.

It is an arithmetic number, because the mean of its divisors is an integer number (3169754575).

Almost surely, 2^6339509149 is an apocalyptic number.

It is an amenable number.

6339509149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6339509149 is an equidigital number, since it uses as much as digits as its factorization.

6339509149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 49.

The square root of 6339509149 is about 79621.0345888572. The cubic root of 6339509149 is about 1850.7675557644.

The spelling of 6339509149 in words is "six billion, three hundred thirty-nine million, five hundred nine thousand, one hundred forty-nine".