542226236543 has 2 divisors, whose sum is σ = 542226236544. Its totient is φ = 542226236542.

The previous prime is 542226236533. The next prime is 542226236567. The reversal of 542226236543 is 345632622245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542226236543 - 2¹⁶ = 542226171007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542226236494 and 542226236503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542226236533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271113118271 + 271113118272.

It is an arithmetic number, because the mean of its divisors is an integer number (271113118272).

Almost surely, 2^542226236543 is an apocalyptic number.

542226236543 is a deficient number, since it is larger than the sum of its proper divisors (1).

542226236543 is an equidigital number, since it uses as much as digits as its factorization.

542226236543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 44.

Adding to 542226236543 its reverse (345632622245), we get a palindrome (887858858788).

The spelling of 542226236543 in words is "five hundred forty-two billion, two hundred twenty-six million, two hundred thirty-six thousand, five hundred forty-three".