1683609472 has 32 divisors (see below), whose sum is σ = 3364861680. Its totient is φ = 839095296.

The previous prime is 1683609457. The next prime is 1683609481. The reversal of 1683609472 is 2749063861.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19053 + ... + 61075.

Almost surely, 2^1683609472 is an apocalyptic number.

It is an amenable number.

1683609472 is a deficient number, since it is larger than the sum of its proper divisors (1681252208).

1683609472 is an equidigital number, since it uses as much as digits as its factorization.

1683609472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42350 (or 42338 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 1683609472 is about 41031.8104889365. The cubic root of 1683609472 is about 1189.6351474283.

The spelling of 1683609472 in words is "one billion, six hundred eighty-three million, six hundred nine thousand, four hundred seventy-two".