6696543047 has 2 divisors, whose sum is σ = 6696543048. Its totient is φ = 6696543046.

The previous prime is 6696543031. The next prime is 6696543067. The reversal of 6696543047 is 7403456966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6696543047 - 2⁴ = 6696543031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6696542986 and 6696543004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6696543067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348271523 + 3348271524.

It is an arithmetic number, because the mean of its divisors is an integer number (3348271524).

Almost surely, 2^6696543047 is an apocalyptic number.

6696543047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6696543047 is an equidigital number, since it uses as much as digits as its factorization.

6696543047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The square root of 6696543047 is about 81832.4082928029. The cubic root of 6696543047 is about 1884.8793433830.

The spelling of 6696543047 in words is "six billion, six hundred ninety-six million, five hundred forty-three thousand, forty-seven".