42913206563 has 2 divisors, whose sum is σ = 42913206564. Its totient is φ = 42913206562.

The previous prime is 42913206491. The next prime is 42913206577. The reversal of 42913206563 is 36560231924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42913206563 - 2²² = 42909012259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42913206563.

It is not a weakly prime, because it can be changed into another prime (42913206463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21456603281 + 21456603282.

It is an arithmetic number, because the mean of its divisors is an integer number (21456603282).

Almost surely, 2^42913206563 is an apocalyptic number.

42913206563 is a deficient number, since it is larger than the sum of its proper divisors (1).

42913206563 is an equidigital number, since it uses as much as digits as its factorization.

42913206563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 42913206563 in words is "forty-two billion, nine hundred thirteen million, two hundred six thousand, five hundred sixty-three".