26486149 has 2 divisors, whose sum is σ = 26486150. Its totient is φ = 26486148.

The previous prime is 26486147. The next prime is 26486189. The reversal of 26486149 is 94168462.

It is an a-pointer prime, because the next prime (26486189) can be obtained adding 26486149 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25070049 + 1416100 = 5007^2 + 1190^2 .

It is a cyclic number.

It is not a de Polignac number, because 26486149 - 2¹ = 26486147 is a prime.

Together with 26486147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26486143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13243074 + 13243075.

It is an arithmetic number, because the mean of its divisors is an integer number (13243075).

Almost surely, 2^26486149 is an apocalyptic number.

It is an amenable number.

26486149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26486149 is an equidigital number, since it uses as much as digits as its factorization.

26486149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 26486149 is about 5146.4695666058. The cubic root of 26486149 is about 298.0846455640.

The spelling of 26486149 in words is "twenty-six million, four hundred eighty-six thousand, one hundred forty-nine".