26695667459 has 2 divisors, whose sum is σ = 26695667460. Its totient is φ = 26695667458.

The previous prime is 26695667441. The next prime is 26695667483. The reversal of 26695667459 is 95476659662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26695667459 is a prime.

It is a super-2 number, since 2×26695667459² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26695667395 and 26695667404.

It is not a weakly prime, because it can be changed into another prime (26695667419) 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, 13347833729 + 13347833730.

It is an arithmetic number, because the mean of its divisors is an integer number (13347833730).

Almost surely, 2^26695667459 is an apocalyptic number.

26695667459 is a deficient number, since it is larger than the sum of its proper divisors (1).

26695667459 is an equidigital number, since it uses as much as digits as its factorization.

26695667459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146966400, while the sum is 65.

The spelling of 26695667459 in words is "twenty-six billion, six hundred ninety-five million, six hundred sixty-seven thousand, four hundred fifty-nine".