679019417 has 2 divisors, whose sum is σ = 679019418. Its totient is φ = 679019416.

The previous prime is 679019413. The next prime is 679019447. The reversal of 679019417 is 714910976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678654601 + 364816 = 26051^2 + 604^2 .

It is a cyclic number.

It is not a de Polignac number, because 679019417 - 2² = 679019413 is a prime.

It is a super-2 number, since 2×679019417² = 922134737326039778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (679019413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339509708 + 339509709.

It is an arithmetic number, because the mean of its divisors is an integer number (339509709).

Almost surely, 2^679019417 is an apocalyptic number.

It is an amenable number.

679019417 is a deficient number, since it is larger than the sum of its proper divisors (1).

679019417 is an equidigital number, since it uses as much as digits as its factorization.

679019417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 679019417 is about 26058.0010169621. The cubic root of 679019417 is about 878.9430392832.

The spelling of 679019417 in words is "six hundred seventy-nine million, nineteen thousand, four hundred seventeen".