265206442655422 has 4 divisors (see below), whose sum is σ = 397809663983136. Its totient is φ = 132603221327710.

The previous prime is 265206442655417. The next prime is 265206442655437. The reversal of 265206442655422 is 224556244602562.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66301610663854 + ... + 66301610663857.

It is an arithmetic number, because the mean of its divisors is an integer number (99452415995784).

Almost surely, 2^{265206442655422} is an apocalyptic number.

265206442655422 is a deficient number, since it is larger than the sum of its proper divisors (132603221327714).

265206442655422 is a wasteful number, since it uses less digits than its factorization.

265206442655422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132603221327713.

The product of its (nonzero) digits is 55296000, while the sum is 55.

The spelling of 265206442655422 in words is "two hundred sixty-five trillion, two hundred six billion, four hundred forty-two million, six hundred fifty-five thousand, four hundred twenty-two".