243401540413 has 8 divisors (see below), whose sum is σ = 248588196480. Its totient is φ = 238215213600.

The previous prime is 243401540401. The next prime is 243401540453. The reversal of 243401540413 is 314045104342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243401540413 - 2¹⁷ = 243401409341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243401540453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930713 + ... + 2052913.

It is an arithmetic number, because the mean of its divisors is an integer number (31073524560).

Almost surely, 2^243401540413 is an apocalyptic number.

It is an amenable number.

243401540413 is a deficient number, since it is larger than the sum of its proper divisors (5186656067).

243401540413 is a wasteful number, since it uses less digits than its factorization.

243401540413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164627.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 243401540413 its reverse (314045104342), we get a palindrome (557446644755).

The spelling of 243401540413 in words is "two hundred forty-three billion, four hundred one million, five hundred forty thousand, four hundred thirteen".