26149379 has 2 divisors, whose sum is σ = 26149380. Its totient is φ = 26149378.

The previous prime is 26149369. The next prime is 26149381. The reversal of 26149379 is 97394162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26149379 - 2²⁴ = 9372163 is a prime.

It is a super-3 number, since 3×26149379³ (a number of 23 digits) contains 333 as substring.

Together with 26149381, 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 (26149369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13074689 + 13074690.

It is an arithmetic number, because the mean of its divisors is an integer number (13074690).

Almost surely, 2^26149379 is an apocalyptic number.

26149379 is a deficient number, since it is larger than the sum of its proper divisors (1).

26149379 is an equidigital number, since it uses as much as digits as its factorization.

26149379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 26149379 is about 5113.6463506973. The cubic root of 26149379 is about 296.8158759305.

The spelling of 26149379 in words is "twenty-six million, one hundred forty-nine thousand, three hundred seventy-nine".