243506655014453 has 8 divisors (see below), whose sum is σ = 251368087944960. Its totient is φ = 235645620805440.

The previous prime is 243506655014443. The next prime is 243506655014611. The reversal of 243506655014453 is 354410556605342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243506655014453 - 2²⁶ = 243506587905589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243506655014395 and 243506655014404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243506655014443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98438975 + ... + 100882332.

It is an arithmetic number, because the mean of its divisors is an integer number (31421010993120).

Almost surely, 2^{243506655014453} is an apocalyptic number.

It is an amenable number.

243506655014453 is a deficient number, since it is larger than the sum of its proper divisors (7861432930507).

243506655014453 is a wasteful number, since it uses less digits than its factorization.

243506655014453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199360747.

The product of its (nonzero) digits is 25920000, while the sum is 53.

The spelling of 243506655014453 in words is "two hundred forty-three trillion, five hundred six billion, six hundred fifty-five million, fourteen thousand, four hundred fifty-three".