1685334753 has 12 divisors (see below), whose sum is σ = 2434820388. Its totient is φ = 1123349760.

The previous prime is 1685334743. The next prime is 1685334773. The reversal of 1685334753 is 3574335861.

1685334753 is a `hidden beast` number, since 1 + 68 + 533 + 4 + 7 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 549105489 + 1136229264 = 23433^2 + 33708^2 .

It is not a de Polignac number, because 1685334753 - 2⁴ = 1685334737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1685334699 and 1685334708.

It is not an unprimeable number, because it can be changed into a prime (1685334743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47001 + ... + 74697.

It is an arithmetic number, because the mean of its divisors is an integer number (202901699).

Almost surely, 2^1685334753 is an apocalyptic number.

It is an amenable number.

1685334753 is a deficient number, since it is larger than the sum of its proper divisors (749485635).

1685334753 is a wasteful number, since it uses less digits than its factorization.

1685334753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34464 (or 34461 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 1685334753 is about 41052.8288063076. The cubic root of 1685334753 is about 1190.0413687570.

The spelling of 1685334753 in words is "one billion, six hundred eighty-five million, three hundred thirty-four thousand, seven hundred fifty-three".