242564538341285 has 16 divisors (see below), whose sum is σ = 293799155443200. Its totient is φ = 192237174501696.

The previous prime is 242564538341201. The next prime is 242564538341329. The reversal of 242564538341285 is 582143835465242.

It is a cyclic number.

It is not a de Polignac number, because 242564538341285 - 2³⁴ = 242547358472101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129955211 + ... + 131808519.

It is an arithmetic number, because the mean of its divisors is an integer number (18362447215200).

Almost surely, 2^{242564538341285} is an apocalyptic number.

It is an amenable number.

242564538341285 is a deficient number, since it is larger than the sum of its proper divisors (51234617101915).

242564538341285 is a wasteful number, since it uses less digits than its factorization.

242564538341285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098060.

The product of its digits is 221184000, while the sum is 62.

The spelling of 242564538341285 in words is "two hundred forty-two trillion, five hundred sixty-four billion, five hundred thirty-eight million, three hundred forty-one thousand, two hundred eighty-five".