1685355355 has 8 divisors (see below), whose sum is σ = 2056705200. Its totient is φ = 1325431776.

The previous prime is 1685355349. The next prime is 1685355377. The reversal of 1685355355 is 5535535861.

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 1685355355 - 2⁷ = 1685355227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2856240 + ... + 2856829.

It is an arithmetic number, because the mean of its divisors is an integer number (257088150).

Almost surely, 2^1685355355 is an apocalyptic number.

1685355355 is a deficient number, since it is larger than the sum of its proper divisors (371349845).

1685355355 is an equidigital number, since it uses as much as digits as its factorization.

1685355355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713133.

The product of its digits is 1350000, while the sum is 46.

The square root of 1685355355 is about 41053.0797261302. The cubic root of 1685355355 is about 1190.0462178693.

The spelling of 1685355355 in words is "one billion, six hundred eighty-five million, three hundred fifty-five thousand, three hundred fifty-five".