43730894125 has 16 divisors (see below), whose sum is σ = 54599678640. Its totient is φ = 34969636800.

The previous prime is 43730894117. The next prime is 43730894149. The reversal of 43730894125 is 52149803734.

43730894125 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 8 ways, for example, as 29419796484 + 14311097641 = 171522^2 + 119629^2 .

It is not a de Polignac number, because 43730894125 - 2³ = 43730894117 is a prime.

It is a super-2 number, since 2×43730894125² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220411 + ... + 368839.

It is an arithmetic number, because the mean of its divisors is an integer number (3412479915).

Almost surely, 2^43730894125 is an apocalyptic number.

It is an amenable number.

43730894125 is a deficient number, since it is larger than the sum of its proper divisors (10868784515).

43730894125 is a wasteful number, since it uses less digits than its factorization.

43730894125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150801 (or 150791 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 43730894125 in words is "forty-three billion, seven hundred thirty million, eight hundred ninety-four thousand, one hundred twenty-five".