26638812059 has 2 divisors, whose sum is σ = 26638812060. Its totient is φ = 26638812058.

The previous prime is 26638812049. The next prime is 26638812061. The reversal of 26638812059 is 95021883662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26638812059 - 2¹² = 26638807963 is a prime.

Together with 26638812061, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26638811998 and 26638812016.

It is not a weakly prime, because it can be changed into another prime (26638812049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13319406029 + 13319406030.

It is an arithmetic number, because the mean of its divisors is an integer number (13319406030).

Almost surely, 2^26638812059 is an apocalyptic number.

26638812059 is a deficient number, since it is larger than the sum of its proper divisors (1).

26638812059 is an equidigital number, since it uses as much as digits as its factorization.

26638812059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 26638812059 in words is "twenty-six billion, six hundred thirty-eight million, eight hundred twelve thousand, fifty-nine".