26007045289 has 3 divisors (see below), whose sum is σ = 26007206557. Its totient is φ = 26006884022.

The previous prime is 26007045287. The next prime is 26007045299. The reversal of 26007045289 is 98254070062.

The square root of 26007045289 is 161267.

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 26007045289 - 2¹ = 26007045287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26007045287) 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, 80634 + ... + 241900.

Almost surely, 2^26007045289 is an apocalyptic number.

26007045289 is the 161267-th square number.

26007045289 is the 80634-th centered octagonal number.

It is an amenable number.

26007045289 is a deficient number, since it is larger than the sum of its proper divisors (161268).

26007045289 is an frugal number, since it uses more digits than its factorization.

26007045289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322534 (or 161267 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 26007045289 in words is "twenty-six billion, seven million, forty-five thousand, two hundred eighty-nine".