26232013369 has 9 divisors (see below), whose sum is σ = 26433566607. Its totient is φ = 26031989064.

The previous prime is 26232013309. The next prime is 26232013403. The reversal of 26232013369 is 96331023262.

It is a happy number.

The square root of 26232013369 is 161963.

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

It can be written as a sum of positive squares in only one way, i.e., 3073260969 + 23158752400 = 55437^2 + 152180^2 .

It is not a de Polignac number, because 26232013369 - 2¹⁵ = 26231980601 is a prime.

It is a super-2 number, since 2×26232013369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26232013309) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24131944 + ... + 24133030.

Almost surely, 2^26232013369 is an apocalyptic number.

26232013369 is the 161963-rd square number.

26232013369 is the 80982-nd centered octagonal number.

It is an amenable number.

26232013369 is a deficient number, since it is larger than the sum of its proper divisors (201553238).

26232013369 is an frugal number, since it uses more digits than its factorization.

26232013369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 26232013369 in words is "twenty-six billion, two hundred thirty-two million, thirteen thousand, three hundred sixty-nine".