83563920043 has 2 divisors, whose sum is σ = 83563920044. Its totient is φ = 83563920042.

The previous prime is 83563920001. The next prime is 83563920103. The reversal of 83563920043 is 34002936538.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83563920043 is a prime.

It is not a weakly prime, because it can be changed into another prime (83563960043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41781960021 + 41781960022.

It is an arithmetic number, because the mean of its divisors is an integer number (41781960022).

Almost surely, 2^83563920043 is an apocalyptic number.

83563920043 is a deficient number, since it is larger than the sum of its proper divisors (1).

83563920043 is an equidigital number, since it uses as much as digits as its factorization.

83563920043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 83563920043 in words is "eighty-three billion, five hundred sixty-three million, nine hundred twenty thousand, forty-three".