42454053563 has 2 divisors, whose sum is σ = 42454053564. Its totient is φ = 42454053562.

The previous prime is 42454053541. The next prime is 42454053571. The reversal of 42454053563 is 36535045424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42454053563 - 2¹² = 42454049467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42454053563.

It is not a weakly prime, because it can be changed into another prime (42454059563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21227026781 + 21227026782.

It is an arithmetic number, because the mean of its divisors is an integer number (21227026782).

Almost surely, 2^42454053563 is an apocalyptic number.

42454053563 is a deficient number, since it is larger than the sum of its proper divisors (1).

42454053563 is an equidigital number, since it uses as much as digits as its factorization.

42454053563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 42454053563 its reverse (36535045424), we get a palindrome (78989098987).

The spelling of 42454053563 in words is "forty-two billion, four hundred fifty-four million, fifty-three thousand, five hundred sixty-three".