26458318427 has 2 divisors, whose sum is σ = 26458318428. Its totient is φ = 26458318426.

The previous prime is 26458318421. The next prime is 26458318429. The reversal of 26458318427 is 72481385462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26458318427 - 2⁶ = 26458318363 is a prime.

It is a super-2 number, since 2×26458318427² (a number of 22 digits) contains 22 as substring.

Together with 26458318429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26458318421) 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, 13229159213 + 13229159214.

It is an arithmetic number, because the mean of its divisors is an integer number (13229159214).

Almost surely, 2^26458318427 is an apocalyptic number.

26458318427 is a deficient number, since it is larger than the sum of its proper divisors (1).

26458318427 is an equidigital number, since it uses as much as digits as its factorization.

26458318427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 50.

The spelling of 26458318427 in words is "twenty-six billion, four hundred fifty-eight million, three hundred eighteen thousand, four hundred twenty-seven".