27275146153 has 4 divisors (see below), whose sum is σ = 27276174720. Its totient is φ = 27274117588.

The previous prime is 27275146139. The next prime is 27275146169. The reversal of 27275146153 is 35164157272.

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 27275146153 - 2⁵ = 27275146121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27275143153) 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, 473425 + ... + 527902.

It is an arithmetic number, because the mean of its divisors is an integer number (6819043680).

Almost surely, 2^27275146153 is an apocalyptic number.

It is an amenable number.

27275146153 is a deficient number, since it is larger than the sum of its proper divisors (1028567).

27275146153 is a wasteful number, since it uses less digits than its factorization.

27275146153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028566.

The product of its digits is 352800, while the sum is 43.

The spelling of 27275146153 in words is "twenty-seven billion, two hundred seventy-five million, one hundred forty-six thousand, one hundred fifty-three".