243468197456 has 20 divisors (see below), whose sum is σ = 514603235904. Its totient is φ = 110667362400.

The previous prime is 243468197447. The next prime is 243468197527. The reversal of 243468197456 is 654791864342.

It is a junction number, because it is equal to n+sod(n) for n = 243468197395 and 243468197404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691670840 + ... + 691671191.

Almost surely, 2^243468197456 is an apocalyptic number.

It is an amenable number.

243468197456 is an abundant number, since it is smaller than the sum of its proper divisors (271135038448).

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

243468197456 is a wasteful number, since it uses less digits than its factorization.

243468197456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383342050 (or 1383342044 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 59.

The spelling of 243468197456 in words is "two hundred forty-three billion, four hundred sixty-eight million, one hundred ninety-seven thousand, four hundred fifty-six".