243401532033 has 16 divisors (see below), whose sum is σ = 366246820800. Its totient is φ = 142429318080.

The previous prime is 243401532019. The next prime is 243401532037. The reversal of 243401532033 is 330235104342.

It is not a de Polignac number, because 243401532033 - 2¹⁸ = 243401269889 is a prime.

It is a super-2 number, since 2×243401532033² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243401532037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127168078 + ... + 127169991.

It is an arithmetic number, because the mean of its divisors is an integer number (22890426300).

Almost surely, 2^243401532033 is an apocalyptic number.

It is an amenable number.

243401532033 is a deficient number, since it is larger than the sum of its proper divisors (122845288767).

243401532033 is a wasteful number, since it uses less digits than its factorization.

243401532033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254338112.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 243401532033 its reverse (330235104342), we get a palindrome (573636636375).

The spelling of 243401532033 in words is "two hundred forty-three billion, four hundred one million, five hundred thirty-two thousand, thirty-three".