1685243032959 has 8 divisors (see below), whose sum is σ = 2255733866160. Its totient is φ = 1119123777536.

The previous prime is 1685243032951. The next prime is 1685243032981. The reversal of 1685243032959 is 9592303425861.

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 1685243032959 - 2³ = 1685243032951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1685243032899 and 1685243032908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685243032951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092893544 + ... + 1092895085.

It is an arithmetic number, because the mean of its divisors is an integer number (281966733270).

Almost surely, 2^{1685243032959} is an apocalyptic number.

1685243032959 is a deficient number, since it is larger than the sum of its proper divisors (570490833201).

1685243032959 is a wasteful number, since it uses less digits than its factorization.

1685243032959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185788889.

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 1685243032959 in words is "one trillion, six hundred eighty-five billion, two hundred forty-three million, thirty-two thousand, nine hundred fifty-nine".