242000363736721 has 4 divisors (see below), whose sum is σ = 243847694757744. Its totient is φ = 240153032715700.

The previous prime is 242000363736709. The next prime is 242000363736743. The reversal of 242000363736721 is 127637363000242.

It is a happy number.

242000363736721 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.

It is a cyclic number.

It is not a de Polignac number, because 242000363736721 - 2¹⁵ = 242000363703953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242000363736701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923665510315 + ... + 923665510576.

It is an arithmetic number, because the mean of its divisors is an integer number (60961923689436).

Almost surely, 2^{242000363736721} is an apocalyptic number.

It is an amenable number.

242000363736721 is a deficient number, since it is larger than the sum of its proper divisors (1847331021023).

242000363736721 is a wasteful number, since it uses less digits than its factorization.

242000363736721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847331021022.

The product of its (nonzero) digits is 1524096, while the sum is 46.

The spelling of 242000363736721 in words is "two hundred forty-two trillion, three hundred sixty-three million, seven hundred thirty-six thousand, seven hundred twenty-one".