542544150443 has 2 divisors, whose sum is σ = 542544150444. Its totient is φ = 542544150442.

The previous prime is 542544150359. The next prime is 542544150457. The reversal of 542544150443 is 344051445245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542544150443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542544150443.

It is not a weakly prime, because it can be changed into another prime (542544150493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271272075221 + 271272075222.

It is an arithmetic number, because the mean of its divisors is an integer number (271272075222).

Almost surely, 2^542544150443 is an apocalyptic number.

542544150443 is a deficient number, since it is larger than the sum of its proper divisors (1).

542544150443 is an equidigital number, since it uses as much as digits as its factorization.

542544150443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 542544150443 its reverse (344051445245), we get a palindrome (886595595688).

The spelling of 542544150443 in words is "five hundred forty-two billion, five hundred forty-four million, one hundred fifty thousand, four hundred forty-three".