542241453529 has 2 divisors, whose sum is σ = 542241453530. Its totient is φ = 542241453528.

The previous prime is 542241453527. The next prime is 542241453613. The reversal of 542241453529 is 925354142245.

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., 539860501504 + 2380952025 = 734752^2 + 48795^2 .

It is a cyclic number.

It is not a de Polignac number, because 542241453529 - 2¹ = 542241453527 is a prime.

Together with 542241453527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (542241453527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271120726764 + 271120726765.

It is an arithmetic number, because the mean of its divisors is an integer number (271120726765).

Almost surely, 2^542241453529 is an apocalyptic number.

It is an amenable number.

542241453529 is a deficient number, since it is larger than the sum of its proper divisors (1).

542241453529 is an equidigital number, since it uses as much as digits as its factorization.

542241453529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 46.

The spelling of 542241453529 in words is "five hundred forty-two billion, two hundred forty-one million, four hundred fifty-three thousand, five hundred twenty-nine".