542044542133 has 2 divisors, whose sum is σ = 542044542134. Its totient is φ = 542044542132.

The previous prime is 542044542131. The next prime is 542044542163. The reversal of 542044542133 is 331245440245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424383193809 + 117661348324 = 651447^2 + 343018^2 .

It is a cyclic number.

It is not a de Polignac number, because 542044542133 - 2¹ = 542044542131 is a prime.

It is a super-2 number, since 2×542044542133² (a number of 24 digits) contains 22 as substring.

Together with 542044542131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 542044542092 and 542044542101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542044542131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271022271066 + 271022271067.

It is an arithmetic number, because the mean of its divisors is an integer number (271022271067).

Almost surely, 2^542044542133 is an apocalyptic number.

It is an amenable number.

542044542133 is a deficient number, since it is larger than the sum of its proper divisors (1).

542044542133 is an equidigital number, since it uses as much as digits as its factorization.

542044542133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 542044542133 its reverse (331245440245), we get a palindrome (873289982378).

The spelling of 542044542133 in words is "five hundred forty-two billion, forty-four million, five hundred forty-two thousand, one hundred thirty-three".