6842274372547 has 2 divisors, whose sum is σ = 6842274372548. Its totient is φ = 6842274372546.

The previous prime is 6842274372509. The next prime is 6842274372623. The reversal of 6842274372547 is 7452734722486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6842274372547 - 2²³ = 6842265983939 is a prime.

It is not a weakly prime, because it can be changed into another prime (6842274372847) 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, 3421137186273 + 3421137186274.

It is an arithmetic number, because the mean of its divisors is an integer number (3421137186274).

Almost surely, 2^{6842274372547} is an apocalyptic number.

6842274372547 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842274372547 is an equidigital number, since it uses as much as digits as its factorization.

6842274372547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126443520, while the sum is 61.

The spelling of 6842274372547 in words is "six trillion, eight hundred forty-two billion, two hundred seventy-four million, three hundred seventy-two thousand, five hundred forty-seven".