242136514429 has 2 divisors, whose sum is σ = 242136514430. Its totient is φ = 242136514428.

The previous prime is 242136514379. The next prime is 242136514439. The reversal of 242136514429 is 924415631242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171977748804 + 70158765625 = 414702^2 + 264875^2 .

It is a cyclic number.

It is not a de Polignac number, because 242136514429 - 2¹⁵ = 242136481661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242136514439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121068257214 + 121068257215.

It is an arithmetic number, because the mean of its divisors is an integer number (121068257215).

Almost surely, 2^242136514429 is an apocalyptic number.

It is an amenable number.

242136514429 is a deficient number, since it is larger than the sum of its proper divisors (1).

242136514429 is an equidigital number, since it uses as much as digits as its factorization.

242136514429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The spelling of 242136514429 in words is "two hundred forty-two billion, one hundred thirty-six million, five hundred fourteen thousand, four hundred twenty-nine".