1680084019 has 8 divisors (see below), whose sum is σ = 1733629968. Its totient is φ = 1627136640.

The previous prime is 1680084017. The next prime is 1680084031. The reversal of 1680084019 is 9104800861.

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 1680084019 - 2¹ = 1680084017 is a prime.

It is a super-2 number, since 2×1680084019² = 5645364621798384722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1680084017) by changing a digit.

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, 143937 + ... + 155170.

It is an arithmetic number, because the mean of its divisors is an integer number (216703746).

Almost surely, 2^1680084019 is an apocalyptic number.

1680084019 is a deficient number, since it is larger than the sum of its proper divisors (53545949).

1680084019 is a wasteful number, since it uses less digits than its factorization.

1680084019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299285.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1680084019 is about 40988.8279778771. The cubic root of 1680084019 is about 1188.8042077770.

The spelling of 1680084019 in words is "one billion, six hundred eighty million, eighty-four thousand, nineteen".