26952618349 has 2 divisors, whose sum is σ = 26952618350. Its totient is φ = 26952618348.

The previous prime is 26952618337. The next prime is 26952618367. The reversal of 26952618349 is 94381625962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19131869124 + 7820749225 = 138318^2 + 88435^2 .

It is a cyclic number.

It is not a de Polignac number, because 26952618349 - 2⁹ = 26952617837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26952618349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26952618389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13476309174 + 13476309175.

It is an arithmetic number, because the mean of its divisors is an integer number (13476309175).

Almost surely, 2^26952618349 is an apocalyptic number.

It is an amenable number.

26952618349 is a deficient number, since it is larger than the sum of its proper divisors (1).

26952618349 is an equidigital number, since it uses as much as digits as its factorization.

26952618349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 55.

The spelling of 26952618349 in words is "twenty-six billion, nine hundred fifty-two million, six hundred eighteen thousand, three hundred forty-nine".