242656871133 has 4 divisors (see below), whose sum is σ = 323542494848. Its totient is φ = 161771247420.

The previous prime is 242656871123. The next prime is 242656871141. The reversal of 242656871133 is 331178656242.

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 not a de Polignac number, because 242656871133 - 2⁵ = 242656871101 is a prime.

It is a super-4 number, since 4×242656871133⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242656871113) 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, 40442811853 + ... + 40442811858.

It is an arithmetic number, because the mean of its divisors is an integer number (80885623712).

Almost surely, 2^242656871133 is an apocalyptic number.

It is an amenable number.

242656871133 is a deficient number, since it is larger than the sum of its proper divisors (80885623715).

242656871133 is an equidigital number, since it uses as much as digits as its factorization.

242656871133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80885623714.

The product of its digits is 1451520, while the sum is 48.

The spelling of 242656871133 in words is "two hundred forty-two billion, six hundred fifty-six million, eight hundred seventy-one thousand, one hundred thirty-three".