43103534489 has 2 divisors, whose sum is σ = 43103534490. Its totient is φ = 43103534488.

The previous prime is 43103534471. The next prime is 43103534503. The reversal of 43103534489 is 98443530134.

43103534489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41748705625 + 1354828864 = 204325^2 + 36808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43103534489 is a prime.

It is a super-2 number, since 2×43103534489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43103534429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21551767244 + 21551767245.

It is an arithmetic number, because the mean of its divisors is an integer number (21551767245).

Almost surely, 2^43103534489 is an apocalyptic number.

It is an amenable number.

43103534489 is a deficient number, since it is larger than the sum of its proper divisors (1).

43103534489 is an equidigital number, since it uses as much as digits as its factorization.

43103534489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 43103534489 in words is "forty-three billion, one hundred three million, five hundred thirty-four thousand, four hundred eighty-nine".