27230163253921 has 4 divisors (see below), whose sum is σ = 27306013291200. Its totient is φ = 27154313216644.

The previous prime is 27230163253873. The next prime is 27230163253927. The reversal of 27230163253921 is 12935236103272.

It is a happy number.

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 27230163253921 - 2⁷ = 27230163253793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27230163253927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37925018101 + ... + 37925018818.

It is an arithmetic number, because the mean of its divisors is an integer number (6826503322800).

Almost surely, 2^{27230163253921} is an apocalyptic number.

It is an amenable number.

27230163253921 is a deficient number, since it is larger than the sum of its proper divisors (75850037279).

27230163253921 is an equidigital number, since it uses as much as digits as its factorization.

27230163253921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75850037278.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 27230163253921 in words is "twenty-seven trillion, two hundred thirty billion, one hundred sixty-three million, two hundred fifty-three thousand, nine hundred twenty-one".