542433618269 has 2 divisors, whose sum is σ = 542433618270. Its totient is φ = 542433618268.

The previous prime is 542433618253. The next prime is 542433618271. The reversal of 542433618269 is 962816334245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526364760100 + 16068858169 = 725510^2 + 126763^2 .

It is a cyclic number.

It is not a de Polignac number, because 542433618269 - 2⁴ = 542433618253 is a prime.

It is a super-3 number, since 3×542433618269³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 542433618271, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542433618269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542433618289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271216809134 + 271216809135.

It is an arithmetic number, because the mean of its divisors is an integer number (271216809135).

Almost surely, 2^542433618269 is an apocalyptic number.

It is an amenable number.

542433618269 is a deficient number, since it is larger than the sum of its proper divisors (1).

542433618269 is an equidigital number, since it uses as much as digits as its factorization.

542433618269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 53.

The spelling of 542433618269 in words is "five hundred forty-two billion, four hundred thirty-three million, six hundred eighteen thousand, two hundred sixty-nine".