43640098543 has 8 divisors (see below), whose sum is σ = 43696469520. Its totient is φ = 43583756160.

The previous prime is 43640098499. The next prime is 43640098553. The reversal of 43640098543 is 34589004634.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43640098543 - 2⁹ = 43640098031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43640098493 and 43640098502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43640098553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5622021 + ... + 5629777.

It is an arithmetic number, because the mean of its divisors is an integer number (5462058690).

Almost surely, 2^43640098543 is an apocalyptic number.

43640098543 is a deficient number, since it is larger than the sum of its proper divisors (56370977).

43640098543 is a wasteful number, since it uses less digits than its factorization.

43640098543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14297.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 43640098543 in words is "forty-three billion, six hundred forty million, ninety-eight thousand, five hundred forty-three".