63850868443 has 2 divisors, whose sum is σ = 63850868444. Its totient is φ = 63850868442.

The previous prime is 63850868401. The next prime is 63850868453. The reversal of 63850868443 is 34486805836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63850868443 - 2¹⁷ = 63850737371 is a prime.

It is not a weakly prime, because it can be changed into another prime (63850868453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31925434221 + 31925434222.

It is an arithmetic number, because the mean of its divisors is an integer number (31925434222).

Almost surely, 2^63850868443 is an apocalyptic number.

63850868443 is a deficient number, since it is larger than the sum of its proper divisors (1).

63850868443 is an equidigital number, since it uses as much as digits as its factorization.

63850868443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 63850868443 in words is "sixty-three billion, eight hundred fifty million, eight hundred sixty-eight thousand, four hundred forty-three".