242353615553 has 16 divisors (see below), whose sum is σ = 277425146880. Its totient is φ = 207394760016.

The previous prime is 242353615547. The next prime is 242353615573. The reversal of 242353615553 is 355516353242.

It is a happy number.

242353615553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 242353615553 - 2²⁰ = 242352566977 is a prime.

It is a super-2 number, since 2×242353615553² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242353615573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11739026 + ... + 11759652.

It is an arithmetic number, because the mean of its divisors is an integer number (17339071680).

Almost surely, 2^242353615553 is an apocalyptic number.

It is an amenable number.

242353615553 is a deficient number, since it is larger than the sum of its proper divisors (35071531327).

242353615553 is a wasteful number, since it uses less digits than its factorization.

242353615553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23276.

The product of its digits is 1620000, while the sum is 44.

Adding to 242353615553 its reverse (355516353242), we get a palindrome (597869968795).

The spelling of 242353615553 in words is "two hundred forty-two billion, three hundred fifty-three million, six hundred fifteen thousand, five hundred fifty-three".