683321019 has 4 divisors (see below), whose sum is σ = 911094696. Its totient is φ = 455547344.

The previous prime is 683321017. The next prime is 683321071. The reversal of 683321019 is 910123386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 683321019 - 2¹ = 683321017 is a prime.

It is a super-2 number, since 2×683321019² = 933855230014396722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (683321011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113886834 + ... + 113886839.

It is an arithmetic number, because the mean of its divisors is an integer number (227773674).

Almost surely, 2^683321019 is an apocalyptic number.

683321019 is a deficient number, since it is larger than the sum of its proper divisors (227773677).

683321019 is a wasteful number, since it uses less digits than its factorization.

683321019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227773676.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 683321019 is about 26140.4096945706. The cubic root of 683321019 is about 880.7951744228.

The spelling of 683321019 in words is "six hundred eighty-three million, three hundred twenty-one thousand, nineteen".