1685113407 has 36 divisors (see below), whose sum is σ = 2576064192. Its totient is φ = 1060358400.

The previous prime is 1685113399. The next prime is 1685113421. The reversal of 1685113407 is 7043115861.

It is not a de Polignac number, because 1685113407 - 2³ = 1685113399 is a prime.

It is a super-2 number, since 2×1685113407² = 5679214388902295298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685113447) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 467203 + ... + 470795.

Almost surely, 2^1685113407 is an apocalyptic number.

1685113407 is a deficient number, since it is larger than the sum of its proper divisors (890950785).

1685113407 is a wasteful number, since it uses less digits than its factorization.

1685113407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1685113407 is about 41050.1328499677. The cubic root of 1685113407 is about 1189.9892678457.

The spelling of 1685113407 in words is "one billion, six hundred eighty-five million, one hundred thirteen thousand, four hundred seven".