6512746481 has 2 divisors, whose sum is σ = 6512746482. Its totient is φ = 6512746480.

The previous prime is 6512746411. The next prime is 6512746483. The reversal of 6512746481 is 1846472156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5039722081 + 1473024400 = 70991^2 + 38380^2 .

It is a cyclic number.

It is not a de Polignac number, because 6512746481 - 2¹⁰ = 6512745457 is a prime.

It is a super-2 number, since 2×6512746481² = 84831733451555766722, which contains 22 as substring.

Together with 6512746483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6512746483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3256373240 + 3256373241.

It is an arithmetic number, because the mean of its divisors is an integer number (3256373241).

Almost surely, 2^6512746481 is an apocalyptic number.

It is an amenable number.

6512746481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6512746481 is an equidigital number, since it uses as much as digits as its factorization.

6512746481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 44.

The square root of 6512746481 is about 80701.5890859653. The cubic root of 6512746481 is about 1867.4746891094.

The spelling of 6512746481 in words is "six billion, five hundred twelve million, seven hundred forty-six thousand, four hundred eighty-one".