2063421863563 has 2 divisors, whose sum is σ = 2063421863564. Its totient is φ = 2063421863562.

The previous prime is 2063421863497. The next prime is 2063421863593. The reversal of 2063421863563 is 3653681243602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2063421863563 - 2²¹ = 2063419766411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2063421863593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031710931781 + 1031710931782.

It is an arithmetic number, because the mean of its divisors is an integer number (1031710931782).

Almost surely, 2^{2063421863563} is an apocalyptic number.

2063421863563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063421863563 is an equidigital number, since it uses as much as digits as its factorization.

2063421863563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 2063421863563 in words is "two trillion, sixty-three billion, four hundred twenty-one million, eight hundred sixty-three thousand, five hundred sixty-three".