1684714863 has 24 divisors (see below), whose sum is σ = 2439960960. Its totient is φ = 1033512480.

The previous prime is 1684714849. The next prime is 1684714903. The reversal of 1684714863 is 3684174861.

It is not a de Polignac number, because 1684714863 - 2⁹ = 1684714351 is a prime.

It is a super-2 number, since 2×1684714863² = 5676528339226217538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684714813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162798 + ... + 172836.

It is an arithmetic number, because the mean of its divisors is an integer number (101665040).

Almost surely, 2^1684714863 is an apocalyptic number.

1684714863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1684714863 is a deficient number, since it is larger than the sum of its proper divisors (755246097).

1684714863 is a wasteful number, since it uses less digits than its factorization.

1684714863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10399 (or 10386 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 1684714863 is about 41045.2782059033. The cubic root of 1684714863 is about 1189.8954461727.

The spelling of 1684714863 in words is "one billion, six hundred eighty-four million, seven hundred fourteen thousand, eight hundred sixty-three".