1683626673 has 8 divisors (see below), whose sum is σ = 2287191168. Its totient is φ = 1101239984.

The previous prime is 1683626641. The next prime is 1683626677. The reversal of 1683626673 is 3766263861.

It is a happy number.

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 1683626673 - 2⁵ = 1683626641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1683626677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5294265 + ... + 5294582.

It is an arithmetic number, because the mean of its divisors is an integer number (285898896).

Almost surely, 2^1683626673 is an apocalyptic number.

It is an amenable number.

1683626673 is a deficient number, since it is larger than the sum of its proper divisors (603564495).

1683626673 is a wasteful number, since it uses less digits than its factorization.

1683626673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588903.

The product of its digits is 1306368, while the sum is 48.

The square root of 1683626673 is about 41032.0200940680. The cubic root of 1683626673 is about 1189.6391988121.

The spelling of 1683626673 in words is "one billion, six hundred eighty-three million, six hundred twenty-six thousand, six hundred seventy-three".