6911849159 has 2 divisors, whose sum is σ = 6911849160. Its totient is φ = 6911849158.

The previous prime is 6911849149. The next prime is 6911849179. The reversal of 6911849159 is 9519481196.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6911849159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6911849159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6911849149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3455924579 + 3455924580.

It is an arithmetic number, because the mean of its divisors is an integer number (3455924580).

Almost surely, 2^6911849159 is an apocalyptic number.

6911849159 is a deficient number, since it is larger than the sum of its proper divisors (1).

6911849159 is an equidigital number, since it uses as much as digits as its factorization.

6911849159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 53.

The square root of 6911849159 is about 83137.5315907322. The cubic root of 6911849159 is about 1904.8674054808.

The spelling of 6911849159 in words is "six billion, nine hundred eleven million, eight hundred forty-nine thousand, one hundred fifty-nine".