6705249659 has 2 divisors, whose sum is σ = 6705249660. Its totient is φ = 6705249658.

The previous prime is 6705249613. The next prime is 6705249671. The reversal of 6705249659 is 9569425076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6705249659 - 2¹² = 6705245563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6705249659.

It is not a weakly prime, because it can be changed into another prime (6708249659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3352624829 + 3352624830.

It is an arithmetic number, because the mean of its divisors is an integer number (3352624830).

Almost surely, 2^6705249659 is an apocalyptic number.

6705249659 is a deficient number, since it is larger than the sum of its proper divisors (1).

6705249659 is an equidigital number, since it uses as much as digits as its factorization.

6705249659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The square root of 6705249659 is about 81885.5888358874. The cubic root of 6705249659 is about 1885.6958744313.

The spelling of 6705249659 in words is "six billion, seven hundred five million, two hundred forty-nine thousand, six hundred fifty-nine".