83563854463 has 2 divisors, whose sum is σ = 83563854464. Its totient is φ = 83563854462.

The previous prime is 83563854421. The next prime is 83563854499. The reversal of 83563854463 is 36445836538.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83563854463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83569854463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41781927231 + 41781927232.

It is an arithmetic number, because the mean of its divisors is an integer number (41781927232).

Almost surely, 2^83563854463 is an apocalyptic number.

83563854463 is a deficient number, since it is larger than the sum of its proper divisors (1).

83563854463 is an equidigital number, since it uses as much as digits as its factorization.

83563854463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24883200, while the sum is 55.

The spelling of 83563854463 in words is "eighty-three billion, five hundred sixty-three million, eight hundred fifty-four thousand, four hundred sixty-three".