27203440144129 has 4 divisors (see below), whose sum is σ = 27281836225584. Its totient is φ = 27125044062676.

The previous prime is 27203440144121. The next prime is 27203440144169. The reversal of 27203440144129 is 92144104430272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27203440144129 - 2³ = 27203440144121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27203440144121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39198040207 + ... + 39198040900.

It is an arithmetic number, because the mean of its divisors is an integer number (6820459056396).

Almost surely, 2^{27203440144129} is an apocalyptic number.

It is an amenable number.

27203440144129 is a deficient number, since it is larger than the sum of its proper divisors (78396081455).

27203440144129 is an equidigital number, since it uses as much as digits as its factorization.

27203440144129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78396081454.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 27203440144129 in words is "twenty-seven trillion, two hundred three billion, four hundred forty million, one hundred forty-four thousand, one hundred twenty-nine".