26063842249 has 27 divisors (see below), whose sum is σ = 28586640693. Its totient is φ = 23759243424.

The previous prime is 26063842241. The next prime is 26063842261. The reversal of 26063842249 is 94224836062.

The square root of 26063842249 is 161443.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7722015625 + 18341826624 = 87875^2 + 135432^2 .

It is not a de Polignac number, because 26063842249 - 2³ = 26063842241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26063842199 and 26063842208.

It is not an unprimeable number, because it can be changed into a prime (26063842241) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 88954947 + ... + 88955239.

Almost surely, 2^26063842249 is an apocalyptic number.

26063842249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

26063842249 is the 161443-rd square number.

26063842249 is the 80722-nd centered octagonal number.

It is an amenable number.

26063842249 is a deficient number, since it is larger than the sum of its proper divisors (2522798444).

26063842249 is an frugal number, since it uses more digits than its factorization.

26063842249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 26063842249 in words is "twenty-six billion, sixty-three million, eight hundred forty-two thousand, two hundred forty-nine".