43010278643 has 4 divisors (see below), whose sum is σ = 43436123088. Its totient is φ = 42584434200.

The previous prime is 43010278637. The next prime is 43010278673. The reversal of 43010278643 is 34687201034.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43010278643 - 2¹⁰ = 43010277619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43010278597 and 43010278606.

It is not an unprimeable number, because it can be changed into a prime (43010278673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212922071 + ... + 212922272.

It is an arithmetic number, because the mean of its divisors is an integer number (10859030772).

Almost surely, 2^43010278643 is an apocalyptic number.

43010278643 is a deficient number, since it is larger than the sum of its proper divisors (425844445).

43010278643 is a wasteful number, since it uses less digits than its factorization.

43010278643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425844444.

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 43010278643 its reverse (34687201034), we get a palindrome (77697479677).

The spelling of 43010278643 in words is "forty-three billion, ten million, two hundred seventy-eight thousand, six hundred forty-three".