63083456861 has 2 divisors, whose sum is σ = 63083456862. Its totient is φ = 63083456860.

The previous prime is 63083456833. The next prime is 63083456923. The reversal of 63083456861 is 16865438036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49994724025 + 13088732836 = 223595^2 + 114406^2 .

It is a cyclic number.

It is not a de Polignac number, because 63083456861 - 2¹⁰ = 63083455837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63083453861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31541728430 + 31541728431.

It is an arithmetic number, because the mean of its divisors is an integer number (31541728431).

Almost surely, 2^63083456861 is an apocalyptic number.

It is an amenable number.

63083456861 is a deficient number, since it is larger than the sum of its proper divisors (1).

63083456861 is an equidigital number, since it uses as much as digits as its factorization.

63083456861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 63083456861 in words is "sixty-three billion, eighty-three million, four hundred fifty-six thousand, eight hundred sixty-one".