679349029841 has 2 divisors, whose sum is σ = 679349029842. Its totient is φ = 679349029840.

The previous prime is 679349029811. The next prime is 679349029859. The reversal of 679349029841 is 148920943976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613905157441 + 65443872400 = 783521^2 + 255820^2 .

It is a cyclic number.

It is not a de Polignac number, because 679349029841 - 2¹⁴ = 679349013457 is a prime.

It is not a weakly prime, because it can be changed into another prime (679349029811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339674514920 + 339674514921.

It is an arithmetic number, because the mean of its divisors is an integer number (339674514921).

Almost surely, 2^679349029841 is an apocalyptic number.

It is an amenable number.

679349029841 is a deficient number, since it is larger than the sum of its proper divisors (1).

679349029841 is an equidigital number, since it uses as much as digits as its factorization.

679349029841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 679349029841 in words is "six hundred seventy-nine billion, three hundred forty-nine million, twenty-nine thousand, eight hundred forty-one".