242550142399 has 2 divisors, whose sum is σ = 242550142400. Its totient is φ = 242550142398.

The previous prime is 242550142379. The next prime is 242550142421. The reversal of 242550142399 is 993241055242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242550142399 - 2⁷ = 242550142271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242550142339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121275071199 + 121275071200.

It is an arithmetic number, because the mean of its divisors is an integer number (121275071200).

Almost surely, 2^242550142399 is an apocalyptic number.

242550142399 is a deficient number, since it is larger than the sum of its proper divisors (1).

242550142399 is an equidigital number, since it uses as much as digits as its factorization.

242550142399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 242550142399 in words is "two hundred forty-two billion, five hundred fifty million, one hundred forty-two thousand, three hundred ninety-nine".