83763052561 has 2 divisors, whose sum is σ = 83763052562. Its totient is φ = 83763052560.

The previous prime is 83763052559. The next prime is 83763052589. The reversal of 83763052561 is 16525036738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80283822336 + 3479230225 = 283344^2 + 58985^2 .

It is a cyclic number.

It is not a de Polignac number, because 83763052561 - 2¹ = 83763052559 is a prime.

Together with 83763052559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83763052501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41881526280 + 41881526281.

It is an arithmetic number, because the mean of its divisors is an integer number (41881526281).

Almost surely, 2^83763052561 is an apocalyptic number.

It is an amenable number.

83763052561 is a deficient number, since it is larger than the sum of its proper divisors (1).

83763052561 is an equidigital number, since it uses as much as digits as its factorization.

83763052561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 83763052561 in words is "eighty-three billion, seven hundred sixty-three million, fifty-two thousand, five hundred sixty-one".