6463771267 has 2 divisors, whose sum is σ = 6463771268. Its totient is φ = 6463771266.

The previous prime is 6463771241. The next prime is 6463771289. The reversal of 6463771267 is 7621773646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6463771267 - 2²⁷ = 6329553539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6463771267.

It is not a weakly prime, because it can be changed into another prime (6463771207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3231885633 + 3231885634.

It is an arithmetic number, because the mean of its divisors is an integer number (3231885634).

Almost surely, 2^6463771267 is an apocalyptic number.

6463771267 is a deficient number, since it is larger than the sum of its proper divisors (1).

6463771267 is an equidigital number, since it uses as much as digits as its factorization.

6463771267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 49.

The square root of 6463771267 is about 80397.5824698728. The cubic root of 6463771267 is about 1862.7818306727.

The spelling of 6463771267 in words is "six billion, four hundred sixty-three million, seven hundred seventy-one thousand, two hundred sixty-seven".