63843165103 has 2 divisors, whose sum is σ = 63843165104. Its totient is φ = 63843165102.

The previous prime is 63843165073. The next prime is 63843165107. The reversal of 63843165103 is 30156134836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63843165103 - 2⁹ = 63843164591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63843165107) 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, 31921582551 + 31921582552.

It is an arithmetic number, because the mean of its divisors is an integer number (31921582552).

Almost surely, 2^63843165103 is an apocalyptic number.

63843165103 is a deficient number, since it is larger than the sum of its proper divisors (1).

63843165103 is an equidigital number, since it uses as much as digits as its factorization.

63843165103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 63843165103 its reverse (30156134836), we get a palindrome (93999299939).

The spelling of 63843165103 in words is "sixty-three billion, eight hundred forty-three million, one hundred sixty-five thousand, one hundred three".