26685383407 has 2 divisors, whose sum is σ = 26685383408. Its totient is φ = 26685383406.

The previous prime is 26685383393. The next prime is 26685383419. The reversal of 26685383407 is 70438358662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26685383407 - 2¹⁹ = 26684859119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26685383447) 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, 13342691703 + 13342691704.

It is an arithmetic number, because the mean of its divisors is an integer number (13342691704).

Almost surely, 2^26685383407 is an apocalyptic number.

26685383407 is a deficient number, since it is larger than the sum of its proper divisors (1).

26685383407 is an equidigital number, since it uses as much as digits as its factorization.

26685383407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 26685383407 in words is "twenty-six billion, six hundred eighty-five million, three hundred eighty-three thousand, four hundred seven".