243641263341 has 32 divisors (see below), whose sum is σ = 372607217920. Its totient is φ = 138720231936.

The previous prime is 243641263303. The next prime is 243641263381. The reversal of 243641263341 is 143362146342.

It is not a de Polignac number, because 243641263341 - 2⁷ = 243641263213 is a prime.

It is a super-2 number, since 2×243641263341² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243641263341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243641263301) 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, 7796175 + ... + 7827363.

It is an arithmetic number, because the mean of its divisors is an integer number (11643975560).

Almost surely, 2^243641263341 is an apocalyptic number.

243641263341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

243641263341 is a deficient number, since it is larger than the sum of its proper divisors (128965954579).

243641263341 is a wasteful number, since it uses less digits than its factorization.

243641263341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32533.

The product of its digits is 248832, while the sum is 39.

The spelling of 243641263341 in words is "two hundred forty-three billion, six hundred forty-one million, two hundred sixty-three thousand, three hundred forty-one".