683066381 has 4 divisors (see below), whose sum is σ = 686075712. Its totient is φ = 680057052.

The previous prime is 683066353. The next prime is 683066387. The reversal of 683066381 is 183660386.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683066381 is a prime.

It is a super-2 number, since 2×683066381² = 933159361704874322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683066387) 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, 1504325 + ... + 1504778.

It is an arithmetic number, because the mean of its divisors is an integer number (171518928).

Almost surely, 2^683066381 is an apocalyptic number.

It is an amenable number.

683066381 is a deficient number, since it is larger than the sum of its proper divisors (3009331).

683066381 is a wasteful number, since it uses less digits than its factorization.

683066381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009330.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 683066381 is about 26135.5386590749. The cubic root of 683066381 is about 880.6857520670.

The spelling of 683066381 in words is "six hundred eighty-three million, sixty-six thousand, three hundred eighty-one".