243433049598 has 64 divisors (see below), whose sum is σ = 546698580480. Its totient is φ = 80285313024.

The previous prime is 243433049597. The next prime is 243433049599. The reversal of 243433049598 is 895940334342.

243433049598 is a `hidden beast` number, since 2 + 4 + 3 + 4 + 3 + 3 + 0 + 49 + 598 = 666.

It is an interprime number because it is at equal distance from previous prime (243433049597) and next prime (243433049599).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243433049597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6449790 + ... + 6487422.

It is an arithmetic number, because the mean of its divisors is an integer number (8542165320).

Almost surely, 2^243433049598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243433049598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273349290240).

243433049598 is an abundant number, since it is smaller than the sum of its proper divisors (303265530882).

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

243433049598 is a wasteful number, since it uses less digits than its factorization.

243433049598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38910 (or 38904 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 243433049598 in words is "two hundred forty-three billion, four hundred thirty-three million, forty-nine thousand, five hundred ninety-eight".