6654631513 has 2 divisors, whose sum is σ = 6654631514. Its totient is φ = 6654631512.

The previous prime is 6654631507. The next prime is 6654631547. The reversal of 6654631513 is 3151364566.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5151363529 + 1503267984 = 71773^2 + 38772^2 .

It is a cyclic number.

It is not a de Polignac number, because 6654631513 - 2⁵ = 6654631481 is a prime.

It is not a weakly prime, because it can be changed into another prime (6654635513) 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, 3327315756 + 3327315757.

It is an arithmetic number, because the mean of its divisors is an integer number (3327315757).

Almost surely, 2^6654631513 is an apocalyptic number.

It is an amenable number.

6654631513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6654631513 is an equidigital number, since it uses as much as digits as its factorization.

6654631513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The square root of 6654631513 is about 81575.9248369272. The cubic root of 6654631513 is about 1880.9388242349.

The spelling of 6654631513 in words is "six billion, six hundred fifty-four million, six hundred thirty-one thousand, five hundred thirteen".