679119401 has 2 divisors, whose sum is σ = 679119402. Its totient is φ = 679119400.

The previous prime is 679119379. The next prime is 679119431. The reversal of 679119401 is 104911976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409010176 + 270109225 = 20224^2 + 16435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679119401 is a prime.

It is a super-2 number, since 2×679119401² = 922406321629197602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (679119431) 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, 339559700 + 339559701.

It is an arithmetic number, because the mean of its divisors is an integer number (339559701).

Almost surely, 2^679119401 is an apocalyptic number.

It is an amenable number.

679119401 is a deficient number, since it is larger than the sum of its proper divisors (1).

679119401 is an equidigital number, since it uses as much as digits as its factorization.

679119401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 679119401 is about 26059.9194357926. The cubic root of 679119401 is about 878.9861779258.

The spelling of 679119401 in words is "six hundred seventy-nine million, one hundred nineteen thousand, four hundred one".