679796149 has 2 divisors, whose sum is σ = 679796150. Its totient is φ = 679796148.

The previous prime is 679796081. The next prime is 679796191. The reversal of 679796149 is 941697976.

679796149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404733924 + 275062225 = 20118^2 + 16585^2 .

It is a cyclic number.

It is not a de Polignac number, because 679796149 - 2¹⁹ = 679271861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 679796093 and 679796102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679796549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339898074 + 339898075.

It is an arithmetic number, because the mean of its divisors is an integer number (339898075).

Almost surely, 2^679796149 is an apocalyptic number.

It is an amenable number.

679796149 is a deficient number, since it is larger than the sum of its proper divisors (1).

679796149 is an equidigital number, since it uses as much as digits as its factorization.

679796149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 58.

The square root of 679796149 is about 26072.9006633324. The cubic root of 679796149 is about 879.2780532841.

The spelling of 679796149 in words is "six hundred seventy-nine million, seven hundred ninety-six thousand, one hundred forty-nine".