866949343339 has 8 divisors (see below), whose sum is σ = 869690250000. Its totient is φ = 864211064352.

The previous prime is 866949343283. The next prime is 866949343343. The reversal of 866949343339 is 933343949668.

866949343339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 866949343339 - 2²³ = 866940954731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866949343639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5037 + ... + 1316785.

It is an arithmetic number, because the mean of its divisors is an integer number (108711281250).

Almost surely, 2^866949343339 is an apocalyptic number.

866949343339 is a deficient number, since it is larger than the sum of its proper divisors (2740906661).

866949343339 is a wasteful number, since it uses less digits than its factorization.

866949343339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313837.

The product of its digits is 272097792, while the sum is 67.

The spelling of 866949343339 in words is "eight hundred sixty-six billion, nine hundred forty-nine million, three hundred forty-three thousand, three hundred thirty-nine".