6488786537 has 2 divisors, whose sum is σ = 6488786538. Its totient is φ = 6488786536.

The previous prime is 6488786471. The next prime is 6488786561. The reversal of 6488786537 is 7356878846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5107103296 + 1381683241 = 71464^2 + 37171^2 .

It is a cyclic number.

It is not a de Polignac number, because 6488786537 - 2⁸ = 6488786281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6488786537.

It is not a weakly prime, because it can be changed into another prime (6488786737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244393268 + 3244393269.

It is an arithmetic number, because the mean of its divisors is an integer number (3244393269).

Almost surely, 2^6488786537 is an apocalyptic number.

It is an amenable number.

6488786537 is a deficient number, since it is larger than the sum of its proper divisors (1).

6488786537 is an equidigital number, since it uses as much as digits as its factorization.

6488786537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54190080, while the sum is 62.

The square root of 6488786537 is about 80553.0045187639. The cubic root of 6488786537 is about 1865.1817715578.

The spelling of 6488786537 in words is "six billion, four hundred eighty-eight million, seven hundred eighty-six thousand, five hundred thirty-seven".