249135270227 has 4 divisors (see below), whose sum is σ = 249198845280. Its totient is φ = 249071695176.

The previous prime is 249135270173. The next prime is 249135270239. The reversal of 249135270227 is 722072531942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249135270227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249135279227) 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, 31781648 + ... + 31789485.

It is an arithmetic number, because the mean of its divisors is an integer number (62299711320).

Almost surely, 2^249135270227 is an apocalyptic number.

249135270227 is a deficient number, since it is larger than the sum of its proper divisors (63575053).

249135270227 is an equidigital number, since it uses as much as digits as its factorization.

249135270227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63575052.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 249135270227 in words is "two hundred forty-nine billion, one hundred thirty-five million, two hundred seventy thousand, two hundred twenty-seven".