42563755425239 has 2 divisors, whose sum is σ = 42563755425240. Its totient is φ = 42563755425238.

The previous prime is 42563755425097. The next prime is 42563755425253. The reversal of 42563755425239 is 93252455736524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42563755425239 - 2²⁸ = 42563486989783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42563755425439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21281877712619 + 21281877712620.

It is an arithmetic number, because the mean of its divisors is an integer number (21281877712620).

Almost surely, 2^{42563755425239} is an apocalyptic number.

42563755425239 is a deficient number, since it is larger than the sum of its proper divisors (1).

42563755425239 is an equidigital number, since it uses as much as digits as its factorization.

42563755425239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160000, while the sum is 62.

The spelling of 42563755425239 in words is "forty-two trillion, five hundred sixty-three billion, seven hundred fifty-five million, four hundred twenty-five thousand, two hundred thirty-nine".