243034401206365 has 8 divisors (see below), whose sum is σ = 291707972825688. Its totient is φ = 194383060046400.

The previous prime is 243034401206257. The next prime is 243034401206449. The reversal of 243034401206365 is 563602104430342.

It can be written as a sum of positive squares in 4 ways, for example, as 117800654841 + 242916600551524 = 343221^2 + 15585782^2 .

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

It is not a de Polignac number, because 243034401206365 - 2²⁹ = 243033864335453 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 5557590786 + ... + 5557634515.

It is an arithmetic number, because the mean of its divisors is an integer number (36463496603211).

Almost surely, 2^{243034401206365} is an apocalyptic number.

It is an amenable number.

243034401206365 is a deficient number, since it is larger than the sum of its proper divisors (48673571619323).

243034401206365 is a wasteful number, since it uses less digits than its factorization.

243034401206365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11115229679.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 243034401206365 in words is "two hundred forty-three trillion, thirty-four billion, four hundred one million, two hundred six thousand, three hundred sixty-five".