683770931 has 2 divisors, whose sum is σ = 683770932. Its totient is φ = 683770930.

The previous prime is 683770897. The next prime is 683771003. The reversal of 683770931 is 139077386.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683770931 is a prime.

It is a super-2 number, since 2×683770931² = 935085372161213522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (683770231) 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 as a sum of consecutive naturals, namely, 341885465 + 341885466.

It is an arithmetic number, because the mean of its divisors is an integer number (341885466).

Almost surely, 2^683770931 is an apocalyptic number.

683770931 is a deficient number, since it is larger than the sum of its proper divisors (1).

683770931 is an equidigital number, since it uses as much as digits as its factorization.

683770931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 683770931 is about 26149.0139584650. The cubic root of 683770931 is about 880.9884429678.

The spelling of 683770931 in words is "six hundred eighty-three million, seven hundred seventy thousand, nine hundred thirty-one".