13420066279 has 2 divisors, whose sum is σ = 13420066280. Its totient is φ = 13420066278.

The previous prime is 13420066259. The next prime is 13420066313. The reversal of 13420066279 is 97266002431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13420066279 - 2⁹ = 13420065767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13420066259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710033139 + 6710033140.

It is an arithmetic number, because the mean of its divisors is an integer number (6710033140).

Almost surely, 2^13420066279 is an apocalyptic number.

13420066279 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420066279 is an equidigital number, since it uses as much as digits as its factorization.

13420066279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 13420066279 in words is "thirteen billion, four hundred twenty million, sixty-six thousand, two hundred seventy-nine".