26182000409 has 2 divisors, whose sum is σ = 26182000410. Its totient is φ = 26182000408.

The previous prime is 26182000387. The next prime is 26182000489. The reversal of 26182000409 is 90400028162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23738181184 + 2443819225 = 154072^2 + 49435^2 .

It is a cyclic number.

It is not a de Polignac number, because 26182000409 - 2¹⁶ = 26181934873 is a prime.

It is not a weakly prime, because it can be changed into another prime (26182000489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13091000204 + 13091000205.

It is an arithmetic number, because the mean of its divisors is an integer number (13091000205).

Almost surely, 2^26182000409 is an apocalyptic number.

It is an amenable number.

26182000409 is a deficient number, since it is larger than the sum of its proper divisors (1).

26182000409 is an equidigital number, since it uses as much as digits as its factorization.

26182000409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 26182000409 in words is "twenty-six billion, one hundred eighty-two million, four hundred nine", and thus it is an aban number.