679425611 has 2 divisors, whose sum is σ = 679425612. Its totient is φ = 679425610.

The previous prime is 679425583. The next prime is 679425619. The reversal of 679425611 is 116524976.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679425611 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (679425619) 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 as a sum of consecutive naturals, namely, 339712805 + 339712806.

It is an arithmetic number, because the mean of its divisors is an integer number (339712806).

Almost surely, 2^679425611 is an apocalyptic number.

679425611 is a deficient number, since it is larger than the sum of its proper divisors (1).

679425611 is an equidigital number, since it uses as much as digits as its factorization.

679425611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 679425611 is about 26065.7938877756. The cubic root of 679425611 is about 879.1182675672.

The spelling of 679425611 in words is "six hundred seventy-nine million, four hundred twenty-five thousand, six hundred eleven".