26083219009 has 3 divisors (see below), whose sum is σ = 26083380513. Its totient is φ = 26083057506.

The previous prime is 26083218869. The next prime is 26083219013. The reversal of 26083219009 is 90091238062.

It is a happy number.

The square root of 26083219009 is 161503.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 26083219009 - 2¹³ = 26083210817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26083219049) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 80752 + ... + 242254.

It is an arithmetic number, because the mean of its divisors is an integer number (8694460171).

Almost surely, 2^26083219009 is an apocalyptic number.

26083219009 is the 161503-rd square number.

26083219009 is the 80752-nd centered octagonal number.

It is an amenable number.

26083219009 is a deficient number, since it is larger than the sum of its proper divisors (161504).

26083219009 is an frugal number, since it uses more digits than its factorization.

26083219009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323006 (or 161503 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

It can be divided in two parts, 260832 and 19009, that added together give a 4-th power (279841 = 23⁴).

The spelling of 26083219009 in words is "twenty-six billion, eighty-three million, two hundred nineteen thousand, nine".