679795415281 has 2 divisors, whose sum is σ = 679795415282. Its totient is φ = 679795415280.

The previous prime is 679795415207. The next prime is 679795415287. The reversal of 679795415281 is 182514597976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466203549681 + 213591865600 = 682791^2 + 462160^2 .

It is a cyclic number.

It is not a de Polignac number, because 679795415281 - 2¹¹ = 679795413233 is a prime.

It is a super-3 number, since 3×679795415281³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (679795415287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339897707640 + 339897707641.

It is an arithmetic number, because the mean of its divisors is an integer number (339897707641).

Almost surely, 2^679795415281 is an apocalyptic number.

It is an amenable number.

679795415281 is a deficient number, since it is larger than the sum of its proper divisors (1).

679795415281 is an equidigital number, since it uses as much as digits as its factorization.

679795415281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38102400, while the sum is 64.

The spelling of 679795415281 in words is "six hundred seventy-nine billion, seven hundred ninety-five million, four hundred fifteen thousand, two hundred eighty-one".