242684964253 has 4 divisors (see below), whose sum is σ = 243248038848. Its totient is φ = 242121889660.

The previous prime is 242684964233. The next prime is 242684964281. The reversal of 242684964253 is 352469486242.

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 a de Polignac number, because none of the positive numbers 2^k-242684964253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242684964194 and 242684964203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242684964233) 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, 281536651 + ... + 281537512.

It is an arithmetic number, because the mean of its divisors is an integer number (60812009712).

Almost surely, 2^242684964253 is an apocalyptic number.

It is an amenable number.

242684964253 is a deficient number, since it is larger than the sum of its proper divisors (563074595).

242684964253 is an equidigital number, since it uses as much as digits as its factorization.

242684964253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563074594.

The product of its digits is 19906560, while the sum is 55.

The spelling of 242684964253 in words is "two hundred forty-two billion, six hundred eighty-four million, nine hundred sixty-four thousand, two hundred fifty-three".