243102057063365 has 4 divisors (see below), whose sum is σ = 291722468476044. Its totient is φ = 194481645650688.

The previous prime is 243102057063311. The next prime is 243102057063403. The reversal of 243102057063365 is 563360750201342.

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

It can be written as a sum of positive squares in 2 ways, for example, as 164480035050529 + 78622022012836 = 12824977^2 + 8866906^2 .

It is a cyclic number.

It is not a de Polignac number, because 243102057063365 - 2⁶ = 243102057063301 is a prime.

It is a super-2 number, since 2×243102057063365² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24310205706332 + ... + 24310205706341.

It is an arithmetic number, because the mean of its divisors is an integer number (72930617119011).

Almost surely, 2^{243102057063365} is an apocalyptic number.

It is an amenable number.

243102057063365 is a deficient number, since it is larger than the sum of its proper divisors (48620411412679).

243102057063365 is an equidigital number, since it uses as much as digits as its factorization.

243102057063365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48620411412678.

The product of its (nonzero) digits is 2721600, while the sum is 47.

The spelling of 243102057063365 in words is "two hundred forty-three trillion, one hundred two billion, fifty-seven million, sixty-three thousand, three hundred sixty-five".