242018521473 has 8 divisors (see below), whose sum is σ = 322731003168. Its totient is φ = 161325860384.

The previous prime is 242018521469. The next prime is 242018521517. The reversal of 242018521473 is 374125810242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242018521473 - 2² = 242018521469 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242018521463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4926636 + ... + 4975517.

It is an arithmetic number, because the mean of its divisors is an integer number (40341375396).

Almost surely, 2^242018521473 is an apocalyptic number.

It is an amenable number.

242018521473 is a deficient number, since it is larger than the sum of its proper divisors (80712481695).

242018521473 is an equidigital number, since it uses as much as digits as its factorization.

242018521473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9910303.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 242018521473 in words is "two hundred forty-two billion, eighteen million, five hundred twenty-one thousand, four hundred seventy-three".