27430026531269 has 2 divisors, whose sum is σ = 27430026531270. Its totient is φ = 27430026531268.

The previous prime is 27430026531247. The next prime is 27430026531311. The reversal of 27430026531269 is 96213562003472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27199301937025 + 230724594244 = 5215295^2 + 480338^2 .

It is a cyclic number.

It is not a de Polignac number, because 27430026531269 - 2¹² = 27430026527173 is a prime.

It is a super-2 number, since 2×27430026531269² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27430026531239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13715013265634 + 13715013265635.

It is an arithmetic number, because the mean of its divisors is an integer number (13715013265635).

Almost surely, 2^{27430026531269} is an apocalyptic number.

It is an amenable number.

27430026531269 is a deficient number, since it is larger than the sum of its proper divisors (1).

27430026531269 is an equidigital number, since it uses as much as digits as its factorization.

27430026531269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 27430026531269 in words is "twenty-seven trillion, four hundred thirty billion, twenty-six million, five hundred thirty-one thousand, two hundred sixty-nine".