43011326063 has 2 divisors, whose sum is σ = 43011326064. Its totient is φ = 43011326062.

The previous prime is 43011326021. The next prime is 43011326081. The reversal of 43011326063 is 36062311034.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43011326063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43011326003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21505663031 + 21505663032.

It is an arithmetic number, because the mean of its divisors is an integer number (21505663032).

Almost surely, 2^43011326063 is an apocalyptic number.

43011326063 is a deficient number, since it is larger than the sum of its proper divisors (1).

43011326063 is an equidigital number, since it uses as much as digits as its factorization.

43011326063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 43011326063 its reverse (36062311034), we get a palindrome (79073637097).

The spelling of 43011326063 in words is "forty-three billion, eleven million, three hundred twenty-six thousand, sixty-three".