243337074053555 has 16 divisors (see below), whose sum is σ = 296445526056864. Its totient is φ = 191710590551040.

The previous prime is 243337074053539. The next prime is 243337074053573. The reversal of 243337074053555 is 555350470733342.

243337074053555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243337074053555 - 2⁴ = 243337074053539 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 243337074053555.

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, 100221662 + ... + 102620931.

It is an arithmetic number, because the mean of its divisors is an integer number (18527845378554).

Almost surely, 2^{243337074053555} is an apocalyptic number.

243337074053555 is a deficient number, since it is larger than the sum of its proper divisors (53108452003309).

243337074053555 is a wasteful number, since it uses less digits than its factorization.

243337074053555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202846246.

The product of its (nonzero) digits is 79380000, while the sum is 56.

The spelling of 243337074053555 in words is "two hundred forty-three trillion, three hundred thirty-seven billion, seventy-four million, fifty-three thousand, five hundred fifty-five".