242921393073 has 24 divisors (see below), whose sum is σ = 357516375840. Its totient is φ = 158898136320.

The previous prime is 242921393047. The next prime is 242921393137. The reversal of 242921393073 is 370393129242.

242921393073 is a `hidden beast` number, since 2 + 429 + 213 + 9 + 3 + 0 + 7 + 3 = 666.

It is not a de Polignac number, because 242921393073 - 2⁶ = 242921393009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242921393773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159648 + ... + 715073.

It is an arithmetic number, because the mean of its divisors is an integer number (14896515660).

Almost surely, 2^242921393073 is an apocalyptic number.

It is an amenable number.

242921393073 is a deficient number, since it is larger than the sum of its proper divisors (114594982767).

242921393073 is a wasteful number, since it uses less digits than its factorization.

242921393073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875309 (or 875306 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 242921393073 in words is "two hundred forty-two billion, nine hundred twenty-one million, three hundred ninety-three thousand, seventy-three".