859649685384 has 64 divisors (see below), whose sum is σ = 2600620905600. Its totient is φ = 231166301184.

The previous prime is 859649685383. The next prime is 859649685413. The reversal of 859649685384 is 483586946958.

It is not an unprimeable number, because it can be changed into a prime (859649685383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150496039 + ... + 150501750.

It is an arithmetic number, because the mean of its divisors is an integer number (40634701650).

Almost surely, 2^859649685384 is an apocalyptic number.

859649685384 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

859649685384 is an abundant number, since it is smaller than the sum of its proper divisors (1740971220216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859649685384 is a wasteful number, since it uses less digits than its factorization.

859649685384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300997822 (or 300997818 counting only the distinct ones).

The product of its digits is 1791590400, while the sum is 75.

The spelling of 859649685384 in words is "eight hundred fifty-nine billion, six hundred forty-nine million, six hundred eighty-five thousand, three hundred eighty-four".