542544140401 has 2 divisors, whose sum is σ = 542544140402. Its totient is φ = 542544140400.

The previous prime is 542544140339. The next prime is 542544140419. The reversal of 542544140401 is 104041445245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426774758400 + 115769382001 = 653280^2 + 340249^2 .

It is a cyclic number.

It is not a de Polignac number, because 542544140401 - 2¹⁹ = 542543616113 is a prime.

It is not a weakly prime, because it can be changed into another prime (542524140401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271272070200 + 271272070201.

It is an arithmetic number, because the mean of its divisors is an integer number (271272070201).

Almost surely, 2^542544140401 is an apocalyptic number.

It is an amenable number.

542544140401 is a deficient number, since it is larger than the sum of its proper divisors (1).

542544140401 is an equidigital number, since it uses as much as digits as its factorization.

542544140401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 542544140401 its reverse (104041445245), we get a palindrome (646585585646).

The spelling of 542544140401 in words is "five hundred forty-two billion, five hundred forty-four million, one hundred forty thousand, four hundred one".