6918168476047 has 2 divisors, whose sum is σ = 6918168476048. Its totient is φ = 6918168476046.

The previous prime is 6918168476027. The next prime is 6918168476057. The reversal of 6918168476047 is 7406748618196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6918168476047 - 2⁷ = 6918168475919 is a prime.

It is a super-3 number, since 3×6918168476047³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6918168476027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459084238023 + 3459084238024.

It is an arithmetic number, because the mean of its divisors is an integer number (3459084238024).

Almost surely, 2^{6918168476047} is an apocalyptic number.

6918168476047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6918168476047 is an equidigital number, since it uses as much as digits as its factorization.

6918168476047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97542144, while the sum is 67.

The spelling of 6918168476047 in words is "six trillion, nine hundred eighteen billion, one hundred sixty-eight million, four hundred seventy-six thousand, forty-seven".