42565056463 has 2 divisors, whose sum is σ = 42565056464. Its totient is φ = 42565056462.

The previous prime is 42565056431. The next prime is 42565056529. The reversal of 42565056463 is 36465056524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42565056463 - 2⁵ = 42565056431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42565056563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21282528231 + 21282528232.

It is an arithmetic number, because the mean of its divisors is an integer number (21282528232).

Almost surely, 2^42565056463 is an apocalyptic number.

42565056463 is a deficient number, since it is larger than the sum of its proper divisors (1).

42565056463 is an equidigital number, since it uses as much as digits as its factorization.

42565056463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 42565056463 in words is "forty-two billion, five hundred sixty-five million, fifty-six thousand, four hundred sixty-three".