243441100053 has 16 divisors (see below), whose sum is σ = 381868392960. Its totient is φ = 152747356608.

The previous prime is 243441100027. The next prime is 243441100061. The reversal of 243441100053 is 350001144342.

It is a happy number.

243441100053 is a `hidden beast` number, since 243 + 4 + 411 + 0 + 0 + 0 + 5 + 3 = 666.

It is not a de Polignac number, because 243441100053 - 2¹⁸ = 243440837909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243441100013) 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, 265185925 + ... + 265186842.

It is an arithmetic number, because the mean of its divisors is an integer number (23866774560).

Almost surely, 2^243441100053 is an apocalyptic number.

It is an amenable number.

243441100053 is a deficient number, since it is larger than the sum of its proper divisors (138427292907).

243441100053 is a wasteful number, since it uses less digits than its factorization.

243441100053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530372793 (or 530372787 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 243441100053 its reverse (350001144342), we get a palindrome (593442244395).

The spelling of 243441100053 in words is "two hundred forty-three billion, four hundred forty-one million, one hundred thousand, fifty-three".