243859958342 has 128 divisors (see below), whose sum is σ = 504487968768. Its totient is φ = 85328409600.

The previous prime is 243859958341. The next prime is 243859958359.

243859958342 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243859958341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31433528 + ... + 31441284.

It is an arithmetic number, because the mean of its divisors is an integer number (3941312256).

Almost surely, 2^243859958342 is an apocalyptic number.

243859958342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243859958342 is an abundant number, since it is smaller than the sum of its proper divisors (260628010426).

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

243859958342 is a wasteful number, since it uses less digits than its factorization.

243859958342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214.

The product of its digits is 74649600, while the sum is 62.

The spelling of 243859958342 in words is "two hundred forty-three billion, eight hundred fifty-nine million, nine hundred fifty-eight thousand, three hundred forty-two".