6398000149 has 2 divisors, whose sum is σ = 6398000150. Its totient is φ = 6398000148.

The previous prime is 6398000129. The next prime is 6398000159. The reversal of 6398000149 is 9410008936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3411377649 + 2986622500 = 58407^2 + 54650^2 .

It is a cyclic number.

It is not a de Polignac number, because 6398000149 - 2²³ = 6389611541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6398000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199000074 + 3199000075.

It is an arithmetic number, because the mean of its divisors is an integer number (3199000075).

Almost surely, 2^6398000149 is an apocalyptic number.

It is an amenable number.

6398000149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6398000149 is an equidigital number, since it uses as much as digits as its factorization.

6398000149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 6398000149 is about 79987.4999546804. The cubic root of 6398000149 is about 1856.4421281724.

The spelling of 6398000149 in words is "six billion, three hundred ninety-eight million, one hundred forty-nine", and thus it is an aban number.