242153553029 has 2 divisors, whose sum is σ = 242153553030. Its totient is φ = 242153553028.

The previous prime is 242153552947. The next prime is 242153553113. The reversal of 242153553029 is 920355351242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207325408900 + 34828144129 = 455330^2 + 186623^2 .

It is a cyclic number.

It is not a de Polignac number, because 242153553029 - 2¹⁶ = 242153487493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242153553529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121076776514 + 121076776515.

It is an arithmetic number, because the mean of its divisors is an integer number (121076776515).

Almost surely, 2^242153553029 is an apocalyptic number.

It is an amenable number.

242153553029 is a deficient number, since it is larger than the sum of its proper divisors (1).

242153553029 is an equidigital number, since it uses as much as digits as its factorization.

242153553029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 242153553029 in words is "two hundred forty-two billion, one hundred fifty-three million, five hundred fifty-three thousand, twenty-nine".