2679489679 has 2 divisors, whose sum is σ = 2679489680. Its totient is φ = 2679489678.

The previous prime is 2679489653. The next prime is 2679489691. The reversal of 2679489679 is 9769849762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2679489679 - 2⁵ = 2679489647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2679489179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339744839 + 1339744840.

It is an arithmetic number, because the mean of its divisors is an integer number (1339744840).

Almost surely, 2^2679489679 is an apocalyptic number.

2679489679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2679489679 is an equidigital number, since it uses as much as digits as its factorization.

2679489679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82301184, while the sum is 67.

The square root of 2679489679 is about 51763.7873324586. The cubic root of 2679489679 is about 1388.9417404459.

The spelling of 2679489679 in words is "two billion, six hundred seventy-nine million, four hundred eighty-nine thousand, six hundred seventy-nine".