6738449147 has 2 divisors, whose sum is σ = 6738449148. Its totient is φ = 6738449146.

The previous prime is 6738449111. The next prime is 6738449149. The reversal of 6738449147 is 7419448376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6738449147 - 2¹⁸ = 6738187003 is a prime.

Together with 6738449149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6738449149) 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, 3369224573 + 3369224574.

It is an arithmetic number, because the mean of its divisors is an integer number (3369224574).

Almost surely, 2^6738449147 is an apocalyptic number.

6738449147 is a deficient number, since it is larger than the sum of its proper divisors (1).

6738449147 is an equidigital number, since it uses as much as digits as its factorization.

6738449147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 53.

The square root of 6738449147 is about 82088.0572738812. The cubic root of 6738449147 is about 1888.8029472834.

The spelling of 6738449147 in words is "six billion, seven hundred thirty-eight million, four hundred forty-nine thousand, one hundred forty-seven".