685345342144 has 14 divisors (see below), whose sum is σ = 1359982163444. Its totient is φ = 342672671040.

The previous prime is 685345342109. The next prime is 685345342163. The reversal of 685345342144 is 441243543586.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5354260422 + ... + 5354260549.

Almost surely, 2^685345342144 is an apocalyptic number.

685345342144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

685345342144 is a deficient number, since it is larger than the sum of its proper divisors (674636821300).

685345342144 is a wasteful number, since it uses less digits than its factorization.

685345342144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10708520983 (or 10708520973 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 49.

The spelling of 685345342144 in words is "six hundred eighty-five billion, three hundred forty-five million, three hundred forty-two thousand, one hundred forty-four".