6898135499 has 2 divisors, whose sum is σ = 6898135500. Its totient is φ = 6898135498.

The previous prime is 6898135493. The next prime is 6898135571. The reversal of 6898135499 is 9945318986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6898135499 - 2⁴ = 6898135483 is a prime.

It is not a weakly prime, because it can be changed into another prime (6898135493) 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, 3449067749 + 3449067750.

It is an arithmetic number, because the mean of its divisors is an integer number (3449067750).

Almost surely, 2^6898135499 is an apocalyptic number.

6898135499 is a deficient number, since it is larger than the sum of its proper divisors (1).

6898135499 is an equidigital number, since it uses as much as digits as its factorization.

6898135499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 62.

The square root of 6898135499 is about 83055.0148937438. The cubic root of 6898135499 is about 1903.6067684250.

The spelling of 6898135499 in words is "six billion, eight hundred ninety-eight million, one hundred thirty-five thousand, four hundred ninety-nine".