6463334531 has 2 divisors, whose sum is σ = 6463334532. Its totient is φ = 6463334530.

The previous prime is 6463334513. The next prime is 6463334561. The reversal of 6463334531 is 1354333646.

6463334531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (6463334513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6463334531 is a prime.

It is a super-2 number, since 2×6463334531² = 83549386519233979922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6463334561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3231667265 + 3231667266.

It is an arithmetic number, because the mean of its divisors is an integer number (3231667266).

Almost surely, 2^6463334531 is an apocalyptic number.

6463334531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6463334531 is an equidigital number, since it uses as much as digits as its factorization.

6463334531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 38.

The square root of 6463334531 is about 80394.8663224214. The cubic root of 6463334531 is about 1862.7398756913.

The spelling of 6463334531 in words is "six billion, four hundred sixty-three million, three hundred thirty-four thousand, five hundred thirty-one".