542441263041241 has 4 divisors (see below), whose sum is σ = 547241628201012. Its totient is φ = 537640897881472.

The previous prime is 542441263041239. The next prime is 542441263041257. The reversal of 542441263041241 is 142140362144245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141568947975625 + 400872315065616 = 11898275^2 + 20021796^2 .

It is a cyclic number.

It is not a de Polignac number, because 542441263041241 - 2¹ = 542441263041239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542441263041211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400182579716 + ... + 2400182579941.

It is an arithmetic number, because the mean of its divisors is an integer number (136810407050253).

Almost surely, 2^{542441263041241} is an apocalyptic number.

It is an amenable number.

542441263041241 is a deficient number, since it is larger than the sum of its proper divisors (4800365159771).

542441263041241 is a wasteful number, since it uses less digits than its factorization.

542441263041241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800365159770.

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 542441263041241 in words is "five hundred forty-two trillion, four hundred forty-one billion, two hundred sixty-three million, forty-one thousand, two hundred forty-one".