43748571428 has 6 divisors (see below), whose sum is σ = 76560000006. Its totient is φ = 21874285712.

The previous prime is 43748571421. The next prime is 43748571431. The reversal of 43748571428 is 82417584734.

It is a happy number.

43748571428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35627317504 + 8121253924 = 188752^2 + 90118^2 .

43748571428 is a modest number, since divided by 571428 gives 43748 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 43748571428.

It is not an unprimeable number, because it can be changed into a prime (43748571421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5468571425 + ... + 5468571432.

It is an arithmetic number, because the mean of its divisors is an integer number (12760000001).

Almost surely, 2^43748571428 is an apocalyptic number.

It is an amenable number.

43748571428 is a deficient number, since it is larger than the sum of its proper divisors (32811428578).

43748571428 is a wasteful number, since it uses less digits than its factorization.

43748571428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937142861 (or 10937142859 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 53.

The spelling of 43748571428 in words is "forty-three billion, seven hundred forty-eight million, five hundred seventy-one thousand, four hundred twenty-eight".