5266538269 has 2 divisors, whose sum is σ = 5266538270. Its totient is φ = 5266538268.

The previous prime is 5266538203. The next prime is 5266538279. The reversal of 5266538269 is 9628356625.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5203891044 + 62647225 = 72138^2 + 7915^2 .

It is a cyclic number.

It is not a de Polignac number, because 5266538269 - 2¹⁷ = 5266407197 is a prime.

It is a super-2 number, since 2×5266538269² = 55472850677683032722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5266538279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633269134 + 2633269135.

It is an arithmetic number, because the mean of its divisors is an integer number (2633269135).

Almost surely, 2^5266538269 is an apocalyptic number.

It is an amenable number.

5266538269 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266538269 is an equidigital number, since it uses as much as digits as its factorization.

5266538269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 52.

The square root of 5266538269 is about 72570.9188931765. The cubic root of 5266538269 is about 1739.8364082998.

The spelling of 5266538269 in words is "five billion, two hundred sixty-six million, five hundred thirty-eight thousand, two hundred sixty-nine".