27242341655429 has 2 divisors, whose sum is σ = 27242341655430. Its totient is φ = 27242341655428.

The previous prime is 27242341655341. The next prime is 27242341655449. The reversal of 27242341655429 is 92455614324272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15434699404804 + 11807642250625 = 3928702^2 + 3436225^2 .

It is a cyclic number.

It is not a de Polignac number, because 27242341655429 - 2²⁰ = 27242340606853 is a prime.

It is a super-2 number, since 2×27242341655429² (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 (27242341655449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13621170827714 + 13621170827715.

It is an arithmetic number, because the mean of its divisors is an integer number (13621170827715).

Almost surely, 2^{27242341655429} is an apocalyptic number.

It is an amenable number.

27242341655429 is a deficient number, since it is larger than the sum of its proper divisors (1).

27242341655429 is an equidigital number, since it uses as much as digits as its factorization.

27242341655429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29030400, while the sum is 56.

The spelling of 27242341655429 in words is "twenty-seven trillion, two hundred forty-two billion, three hundred forty-one million, six hundred fifty-five thousand, four hundred twenty-nine".