1680314673 has 4 divisors (see below), whose sum is σ = 2240419568. Its totient is φ = 1120209780.

The previous prime is 1680314659. The next prime is 1680314693. The reversal of 1680314673 is 3764130861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1680314673 - 2⁸ = 1680314417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1680314693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280052443 + ... + 280052448.

It is an arithmetic number, because the mean of its divisors is an integer number (560104892).

Almost surely, 2^1680314673 is an apocalyptic number.

It is an amenable number.

1680314673 is a deficient number, since it is larger than the sum of its proper divisors (560104895).

1680314673 is an equidigital number, since it uses as much as digits as its factorization.

1680314673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560104894.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1680314673 is about 40991.6415016525. The cubic root of 1680314673 is about 1188.8586078140.

The spelling of 1680314673 in words is "one billion, six hundred eighty million, three hundred fourteen thousand, six hundred seventy-three".