42052534543 has 2 divisors, whose sum is σ = 42052534544. Its totient is φ = 42052534542.

The previous prime is 42052534481. The next prime is 42052534547. The reversal of 42052534543 is 34543525024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42052534543 is a prime.

It is a super-2 number, since 2×42052534543² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42052534547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026267271 + 21026267272.

It is an arithmetic number, because the mean of its divisors is an integer number (21026267272).

Almost surely, 2^42052534543 is an apocalyptic number.

42052534543 is a deficient number, since it is larger than the sum of its proper divisors (1).

42052534543 is an equidigital number, since it uses as much as digits as its factorization.

42052534543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 37.

The spelling of 42052534543 in words is "forty-two billion, fifty-two million, five hundred thirty-four thousand, five hundred forty-three".