542534435269 has 2 divisors, whose sum is σ = 542534435270. Its totient is φ = 542534435268.

The previous prime is 542534435213. The next prime is 542534435273. The reversal of 542534435269 is 962534435245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318251683044 + 224282752225 = 564138^2 + 473585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542534435269 is a prime.

It is a super-2 number, since 2×542534435269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542534435669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271267217634 + 271267217635.

It is an arithmetic number, because the mean of its divisors is an integer number (271267217635).

Almost surely, 2^542534435269 is an apocalyptic number.

It is an amenable number.

542534435269 is a deficient number, since it is larger than the sum of its proper divisors (1).

542534435269 is an equidigital number, since it uses as much as digits as its factorization.

542534435269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552000, while the sum is 52.

The spelling of 542534435269 in words is "five hundred forty-two billion, five hundred thirty-four million, four hundred thirty-five thousand, two hundred sixty-nine".