242413020421 has 16 divisors (see below), whose sum is σ = 285009056640. Its totient is φ = 203269129920.

The previous prime is 242413020379. The next prime is 242413020431. The reversal of 242413020421 is 124020314242.

It is a cyclic number.

It is not a de Polignac number, because 242413020421 - 2²⁵ = 242379465989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242413020431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453990 + ... + 831223.

It is an arithmetic number, because the mean of its divisors is an integer number (17813066040).

Almost surely, 2^242413020421 is an apocalyptic number.

It is an amenable number.

242413020421 is a deficient number, since it is larger than the sum of its proper divisors (42596036219).

242413020421 is a wasteful number, since it uses less digits than its factorization.

242413020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286556.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 242413020421 its reverse (124020314242), we get a palindrome (366433334663).

The spelling of 242413020421 in words is "two hundred forty-two billion, four hundred thirteen million, twenty thousand, four hundred twenty-one".