43974608543 has 16 divisors (see below), whose sum is σ = 47571110784. Its totient is φ = 40491010560.

The previous prime is 43974608497. The next prime is 43974608551. The reversal of 43974608543 is 34580647934.

It is a cyclic number.

It is not a de Polignac number, because 43974608543 - 2⁶ = 43974608479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43974608143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2276321 + ... + 2295557.

It is an arithmetic number, because the mean of its divisors is an integer number (2973194424).

Almost surely, 2^43974608543 is an apocalyptic number.

43974608543 is a deficient number, since it is larger than the sum of its proper divisors (3596502241).

43974608543 is a wasteful number, since it uses less digits than its factorization.

43974608543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22162.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 43974608543 in words is "forty-three billion, nine hundred seventy-four million, six hundred eight thousand, five hundred forty-three".