43000000000063 has 2 divisors, whose sum is σ = 43000000000064. Its totient is φ = 43000000000062.

The previous prime is 42999999999991. The next prime is 43000000000093. The reversal of 43000000000063 is 36000000000034.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43000000000063 is a prime.

43000000000063 is a modest number, since divided by 63 gives 43 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 42999999999956 and 43000000000046.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43000000000093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21500000000031 + 21500000000032.

It is an arithmetic number, because the mean of its divisors is an integer number (21500000000032).

Almost surely, 2^{43000000000063} is an apocalyptic number.

43000000000063 is a deficient number, since it is larger than the sum of its proper divisors (1).

43000000000063 is an equidigital number, since it uses as much as digits as its factorization.

43000000000063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 43000000000063 its reverse (36000000000034), we get a palindrome (79000000000097).

The spelling of 43000000000063 in words is "forty-three trillion, sixty-three", and thus it is an aban number and an uban number.