242270248421 has 2 divisors, whose sum is σ = 242270248422. Its totient is φ = 242270248420.

The previous prime is 242270248417. The next prime is 242270248469. The reversal of 242270248421 is 124842072242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240953356900 + 1316891521 = 490870^2 + 36289^2 .

It is a cyclic number.

It is not a de Polignac number, because 242270248421 - 2² = 242270248417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242270248481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121135124210 + 121135124211.

It is an arithmetic number, because the mean of its divisors is an integer number (121135124211).

Almost surely, 2^242270248421 is an apocalyptic number.

It is an amenable number.

242270248421 is a deficient number, since it is larger than the sum of its proper divisors (1).

242270248421 is an equidigital number, since it uses as much as digits as its factorization.

242270248421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114688, while the sum is 38.

The spelling of 242270248421 in words is "two hundred forty-two billion, two hundred seventy million, two hundred forty-eight thousand, four hundred twenty-one".