83563919963 has 2 divisors, whose sum is σ = 83563919964. Its totient is φ = 83563919962.

The previous prime is 83563919909. The next prime is 83563920001. The reversal of 83563919963 is 36991936538.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83563919963 - 2⁶ = 83563919899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83563919896 and 83563919905.

It is not a weakly prime, because it can be changed into another prime (83563919563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41781959981 + 41781959982.

It is an arithmetic number, because the mean of its divisors is an integer number (41781959982).

Almost surely, 2^83563919963 is an apocalyptic number.

83563919963 is a deficient number, since it is larger than the sum of its proper divisors (1).

83563919963 is an equidigital number, since it uses as much as digits as its factorization.

83563919963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28343520, while the sum is 62.

The spelling of 83563919963 in words is "eighty-three billion, five hundred sixty-three million, nine hundred nineteen thousand, nine hundred sixty-three".