6917280047 has 2 divisors, whose sum is σ = 6917280048. Its totient is φ = 6917280046.

The previous prime is 6917280031. The next prime is 6917280089. The reversal of 6917280047 is 7400827196.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6917280047 - 2⁴ = 6917280031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6917280017) 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, 3458640023 + 3458640024.

It is an arithmetic number, because the mean of its divisors is an integer number (3458640024).

Almost surely, 2^6917280047 is an apocalyptic number.

6917280047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6917280047 is an equidigital number, since it uses as much as digits as its factorization.

6917280047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 6917280047 is about 83170.1872487973. The cubic root of 6917280047 is about 1905.3661824346.

The spelling of 6917280047 in words is "six billion, nine hundred seventeen million, two hundred eighty thousand, forty-seven".