42454053543 has 32 divisors (see below), whose sum is σ = 62557028352. Its totient is φ = 25394645600.

The previous prime is 42454053541. The next prime is 42454053563. The reversal of 42454053543 is 34535045424.

It is a cyclic number.

It is not a de Polignac number, because 42454053543 - 2¹ = 42454053541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42454053541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2981146 + ... + 2995352.

It is an arithmetic number, because the mean of its divisors is an integer number (1954907136).

Almost surely, 2^42454053543 is an apocalyptic number.

42454053543 is a deficient number, since it is larger than the sum of its proper divisors (20102974809).

42454053543 is a wasteful number, since it uses less digits than its factorization.

42454053543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15395.

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 42454053543 its reverse (34535045424), we get a palindrome (76989098967).

The spelling of 42454053543 in words is "forty-two billion, four hundred fifty-four million, fifty-three thousand, five hundred forty-three".