242532205493 has 4 divisors (see below), whose sum is σ = 243802007808. Its totient is φ = 241262403180.

The previous prime is 242532205469. The next prime is 242532205543. The reversal of 242532205493 is 394502235242.

242532205493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394502235242 = 2 ⋅197251117621.

It is a cyclic number.

It is not a de Polignac number, because 242532205493 - 2²⁴ = 242515428277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242532205493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242532205093) 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 3 ways as a sum of consecutive naturals, for example, 634900871 + ... + 634901252.

It is an arithmetic number, because the mean of its divisors is an integer number (60950501952).

Almost surely, 2^242532205493 is an apocalyptic number.

It is an amenable number.

242532205493 is a deficient number, since it is larger than the sum of its proper divisors (1269802315).

242532205493 is a wasteful number, since it uses less digits than its factorization.

242532205493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269802314.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 242532205493 in words is "two hundred forty-two billion, five hundred thirty-two million, two hundred five thousand, four hundred ninety-three".