243413251071533 has 16 divisors (see below), whose sum is σ = 265374974212800. Its totient is φ = 222650232861168.

The previous prime is 243413251071521. The next prime is 243413251071589. The reversal of 243413251071533 is 335170152314342.

It is not a de Polignac number, because 243413251071533 - 2⁶ = 243413251071469 is a prime.

It is a super-2 number, since 2×243413251071533² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243413251041533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262180091 + ... + 263106872.

It is an arithmetic number, because the mean of its divisors is an integer number (16585935888300).

Almost surely, 2^{243413251071533} is an apocalyptic number.

It is an amenable number.

243413251071533 is a deficient number, since it is larger than the sum of its proper divisors (21961723141267).

243413251071533 is an frugal number, since it uses more digits than its factorization.

243413251071533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525287069 (or 525287011 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 243413251071533 in words is "two hundred forty-three trillion, four hundred thirteen billion, two hundred fifty-one million, seventy-one thousand, five hundred thirty-three".