243549350344 has 8 divisors (see below), whose sum is σ = 456655031910. Its totient is φ = 121774675168.

The previous prime is 243549350327. The next prime is 243549350423. The reversal of 243549350344 is 443053945342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 222831202500 + 20718147844 = 472050^2 + 143938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×243549350344³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243549350294 and 243549350303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15221834389 + ... + 15221834404.

Almost surely, 2^243549350344 is an apocalyptic number.

It is an amenable number.

243549350344 is a deficient number, since it is larger than the sum of its proper divisors (213105681566).

243549350344 is a wasteful number, since it uses less digits than its factorization.

243549350344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30443668799 (or 30443668795 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 243549350344 in words is "two hundred forty-three billion, five hundred forty-nine million, three hundred fifty thousand, three hundred forty-four".