243364030654013 has 4 divisors (see below), whose sum is σ = 243364062570300. Its totient is φ = 243363998737728.

The previous prime is 243364030654001. The next prime is 243364030654139. The reversal of 243364030654013 is 310456030463342.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 79471751284249 + 163892279369764 = 8914693^2 + 12802042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243364030654013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243364030654313) 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, 2937131 + ... + 22256567.

It is an arithmetic number, because the mean of its divisors is an integer number (60841015642575).

Almost surely, 2^{243364030654013} is an apocalyptic number.

It is an amenable number.

243364030654013 is a deficient number, since it is larger than the sum of its proper divisors (31916287).

243364030654013 is a wasteful number, since it uses less digits than its factorization.

243364030654013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31916286.

The product of its (nonzero) digits is 1866240, while the sum is 44.

The spelling of 243364030654013 in words is "two hundred forty-three trillion, three hundred sixty-four billion, thirty million, six hundred fifty-four thousand, thirteen".