6481427767 has 2 divisors, whose sum is σ = 6481427768. Its totient is φ = 6481427766.

The previous prime is 6481427747. The next prime is 6481427779. The reversal of 6481427767 is 7677241846.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6481427767 - 2²⁷ = 6347210039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6481427747) 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, 3240713883 + 3240713884.

It is an arithmetic number, because the mean of its divisors is an integer number (3240713884).

Almost surely, 2^6481427767 is an apocalyptic number.

6481427767 is a deficient number, since it is larger than the sum of its proper divisors (1).

6481427767 is an equidigital number, since it uses as much as digits as its factorization.

6481427767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3161088, while the sum is 52.

The square root of 6481427767 is about 80507.3149906268. The cubic root of 6481427767 is about 1864.4764195675.

The spelling of 6481427767 in words is "six billion, four hundred eighty-one million, four hundred twenty-seven thousand, seven hundred sixty-seven".