6399047467 has 2 divisors, whose sum is σ = 6399047468. Its totient is φ = 6399047466.

The previous prime is 6399047453. The next prime is 6399047569. The reversal of 6399047467 is 7647409936.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6399047467 is a prime.

It is not a weakly prime, because it can be changed into another prime (6399047267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199523733 + 3199523734.

It is an arithmetic number, because the mean of its divisors is an integer number (3199523734).

Almost surely, 2^6399047467 is an apocalyptic number.

6399047467 is a deficient number, since it is larger than the sum of its proper divisors (1).

6399047467 is an equidigital number, since it uses as much as digits as its factorization.

6399047467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The square root of 6399047467 is about 79994.0464472201. The cubic root of 6399047467 is about 1856.5434191556.

The spelling of 6399047467 in words is "six billion, three hundred ninety-nine million, forty-seven thousand, four hundred sixty-seven".