2606406202399 has 2 divisors, whose sum is σ = 2606406202400. Its totient is φ = 2606406202398.

The previous prime is 2606406202343. The next prime is 2606406202403. The reversal of 2606406202399 is 9932026046062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2606406202399 - 2⁷ = 2606406202271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2606406202199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303203101199 + 1303203101200.

It is an arithmetic number, because the mean of its divisors is an integer number (1303203101200).

Almost surely, 2^{2606406202399} is an apocalyptic number.

2606406202399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606406202399 is an equidigital number, since it uses as much as digits as its factorization.

2606406202399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 2606406202399 in words is "two trillion, six hundred six billion, four hundred six million, two hundred two thousand, three hundred ninety-nine".