243430986672 has 120 divisors (see below), whose sum is σ = 701080065504. Its totient is φ = 78792763392.

The previous prime is 243430986653. The next prime is 243430986679. The reversal of 243430986672 is 276689034342.

243430986672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243430986679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2634568 + ... + 2725400.

Almost surely, 2^243430986672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243430986672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350540032752).

243430986672 is an abundant number, since it is smaller than the sum of its proper divisors (457649078832).

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

243430986672 is a wasteful number, since it uses less digits than its factorization.

243430986672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91387 (or 91378 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 243430986672 in words is "two hundred forty-three billion, four hundred thirty million, nine hundred eighty-six thousand, six hundred seventy-two".