26253642133 has 2 divisors, whose sum is σ = 26253642134. Its totient is φ = 26253642132.

The previous prime is 26253642119. The next prime is 26253642139. The reversal of 26253642133 is 33124635262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17345680209 + 8907961924 = 131703^2 + 94382^2 .

It is a cyclic number.

It is not a de Polignac number, because 26253642133 - 2²⁵ = 26220087701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26253642092 and 26253642101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26253642139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13126821066 + 13126821067.

It is an arithmetic number, because the mean of its divisors is an integer number (13126821067).

Almost surely, 2^26253642133 is an apocalyptic number.

It is an amenable number.

26253642133 is a deficient number, since it is larger than the sum of its proper divisors (1).

26253642133 is an equidigital number, since it uses as much as digits as its factorization.

26253642133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

The spelling of 26253642133 in words is "twenty-six billion, two hundred fifty-three million, six hundred forty-two thousand, one hundred thirty-three".