6398049019 has 2 divisors, whose sum is σ = 6398049020. Its totient is φ = 6398049018.

The previous prime is 6398049017. The next prime is 6398049079. The reversal of 6398049019 is 9109408936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6398049019 - 2¹ = 6398049017 is a prime.

It is a super-2 number, since 2×6398049019² = 81870062499053724722, which contains 22 as substring.

Together with 6398049017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6398049017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199024509 + 3199024510.

It is an arithmetic number, because the mean of its divisors is an integer number (3199024510).

Almost surely, 2^6398049019 is an apocalyptic number.

6398049019 is a deficient number, since it is larger than the sum of its proper divisors (1).

6398049019 is an equidigital number, since it uses as much as digits as its factorization.

6398049019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 6398049019 is about 79987.8054393293. The cubic root of 6398049019 is about 1856.4468548627.

The spelling of 6398049019 in words is "six billion, three hundred ninety-eight million, forty-nine thousand, nineteen".