243454259568 has 80 divisors (see below), whose sum is σ = 679466684960. Its totient is φ = 74669617152.

The previous prime is 243454259563. The next prime is 243454259579. The reversal of 243454259568 is 865952454342.

243454259568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243454259563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427933 + ... + 818556.

It is an arithmetic number, because the mean of its divisors is an integer number (8493333562).

Almost surely, 2^243454259568 is an apocalyptic number.

It is an amenable number.

243454259568 is an abundant number, since it is smaller than the sum of its proper divisors (436012425392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243454259568 is a wasteful number, since it uses less digits than its factorization.

243454259568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246826 (or 1246820 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 57.

The spelling of 243454259568 in words is "two hundred forty-three billion, four hundred fifty-four million, two hundred fifty-nine thousand, five hundred sixty-eight".