83563919563 has 2 divisors, whose sum is σ = 83563919564. Its totient is φ = 83563919562.

The previous prime is 83563919533. The next prime is 83563919567. The reversal of 83563919563 is 36591936538.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83563919563 - 2¹⁷ = 83563788491 is a prime.

It is a super-2 number, since 2×83563919563² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83563919498 and 83563919507.

It is not a weakly prime, because it can be changed into another prime (83563919567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41781959781 + 41781959782.

It is an arithmetic number, because the mean of its divisors is an integer number (41781959782).

Almost surely, 2^83563919563 is an apocalyptic number.

83563919563 is a deficient number, since it is larger than the sum of its proper divisors (1).

83563919563 is an equidigital number, since it uses as much as digits as its factorization.

83563919563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15746400, while the sum is 58.

The spelling of 83563919563 in words is "eighty-three billion, five hundred sixty-three million, nine hundred nineteen thousand, five hundred sixty-three".