6498889247 has 2 divisors, whose sum is σ = 6498889248. Its totient is φ = 6498889246.

The previous prime is 6498889231. The next prime is 6498889273. The reversal of 6498889247 is 7429888946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6498889247 - 2⁴ = 6498889231 is a prime.

It is a super-2 number, since 2×6498889247² = 84471122889544454018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6498889207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3249444623 + 3249444624.

It is an arithmetic number, because the mean of its divisors is an integer number (3249444624).

Almost surely, 2^6498889247 is an apocalyptic number.

6498889247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6498889247 is an equidigital number, since it uses as much as digits as its factorization.

6498889247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55738368, while the sum is 65.

The square root of 6498889247 is about 80615.6885909933. The cubic root of 6498889247 is about 1866.1492672767.

The spelling of 6498889247 in words is "six billion, four hundred ninety-eight million, eight hundred eighty-nine thousand, two hundred forty-seven".