818335795849 has 8 divisors (see below), whose sum is σ = 961401494592. Its totient is φ = 686715353040.

The previous prime is 818335795831. The next prime is 818335795867. The reversal of 818335795849 is 948597533818.

It is an interprime number because it is at equal distance from previous prime (818335795831) and next prime (818335795867).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 818335795849 - 2⁹ = 818335795337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (818335795889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861313829 + ... + 2861314114.

It is an arithmetic number, because the mean of its divisors is an integer number (120175186824).

Almost surely, 2^818335795849 is an apocalyptic number.

It is an amenable number.

818335795849 is a deficient number, since it is larger than the sum of its proper divisors (143065698743).

818335795849 is a wasteful number, since it uses less digits than its factorization.

818335795849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722627967.

The product of its digits is 261273600, while the sum is 70.

The spelling of 818335795849 in words is "eight hundred eighteen billion, three hundred thirty-five million, seven hundred ninety-five thousand, eight hundred forty-nine".