265134450202243 has 4 divisors (see below), whose sum is σ = 265142574969048. Its totient is φ = 265126325435440.

The previous prime is 265134450202169. The next prime is 265134450202283. The reversal of 265134450202243 is 342202054431562.

265134450202243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 265134450202243 - 2²¹ = 265134448105091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265134450202243.

It is not an unprimeable number, because it can be changed into a prime (265134450202283) 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, 4062334453 + ... + 4062399718.

It is an arithmetic number, because the mean of its divisors is an integer number (66285643742262).

Almost surely, 2^{265134450202243} is an apocalyptic number.

265134450202243 is a deficient number, since it is larger than the sum of its proper divisors (8124766805).

265134450202243 is an equidigital number, since it uses as much as digits as its factorization.

265134450202243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8124766804.

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 265134450202243 in words is "two hundred sixty-five trillion, one hundred thirty-four billion, four hundred fifty million, two hundred two thousand, two hundred forty-three".