43013425544 has 8 divisors (see below), whose sum is σ = 80650172910. Its totient is φ = 21506712768.

The previous prime is 43013425531. The next prime is 43013425561. The reversal of 43013425544 is 44552431034.

It can be written as a sum of positive squares in only one way, i.e., 42111144100 + 902281444 = 205210^2 + 30038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2688339089 + ... + 2688339104.

Almost surely, 2^43013425544 is an apocalyptic number.

It is an amenable number.

43013425544 is a deficient number, since it is larger than the sum of its proper divisors (37636747366).

43013425544 is a wasteful number, since it uses less digits than its factorization.

43013425544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376678199 (or 5376678195 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 43013425544 its reverse (44552431034), we get a palindrome (87565856578).

The spelling of 43013425544 in words is "forty-three billion, thirteen million, four hundred twenty-five thousand, five hundred forty-four".