6867431947 has 2 divisors, whose sum is σ = 6867431948. Its totient is φ = 6867431946.

The previous prime is 6867431939. The next prime is 6867431999. The reversal of 6867431947 is 7491347686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6867431947 - 2³ = 6867431939 is a prime.

It is not a weakly prime, because it can be changed into another prime (6867431927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433715973 + 3433715974.

It is an arithmetic number, because the mean of its divisors is an integer number (3433715974).

Almost surely, 2^6867431947 is an apocalyptic number.

6867431947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6867431947 is an equidigital number, since it uses as much as digits as its factorization.

6867431947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 55.

The square root of 6867431947 is about 82869.9701158387. The cubic root of 6867431947 is about 1900.7782543078.

The spelling of 6867431947 in words is "six billion, eight hundred sixty-seven million, four hundred thirty-one thousand, nine hundred forty-seven".