679034081357 has 2 divisors, whose sum is σ = 679034081358. Its totient is φ = 679034081356.

The previous prime is 679034081317. The next prime is 679034081381. The reversal of 679034081357 is 753180430976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360905368516 + 318128712841 = 600754^2 + 564029^2 .

It is a cyclic number.

It is not a de Polignac number, because 679034081357 - 2⁸ = 679034081101 is a prime.

It is a super-2 number, since 2×679034081357² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679034081299 and 679034081308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679034081317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339517040678 + 339517040679.

It is an arithmetic number, because the mean of its divisors is an integer number (339517040679).

Almost surely, 2^679034081357 is an apocalyptic number.

It is an amenable number.

679034081357 is a deficient number, since it is larger than the sum of its proper divisors (1).

679034081357 is an equidigital number, since it uses as much as digits as its factorization.

679034081357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 679034081357 in words is "six hundred seventy-nine billion, thirty-four million, eighty-one thousand, three hundred fifty-seven".