1683489912 has 32 divisors (see below), whose sum is σ = 4532473680. Its totient is φ = 517996800.

The previous prime is 1683489883. The next prime is 1683489953. The reversal of 1683489912 is 2199843861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2697589 + ... + 2698212.

Almost surely, 2^1683489912 is an apocalyptic number.

1683489912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1683489912 is an abundant number, since it is smaller than the sum of its proper divisors (2848983768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1683489912 is a wasteful number, since it uses less digits than its factorization.

1683489912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395823 (or 5395819 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 1683489912 is about 41030.3535446625. The cubic root of 1683489912 is about 1189.6069864745.

The spelling of 1683489912 in words is "one billion, six hundred eighty-three million, four hundred eighty-nine thousand, nine hundred twelve".