43785240245441 has 4 divisors (see below), whose sum is σ = 43815880722900. Its totient is φ = 43754599767984.

The previous prime is 43785240245431. The next prime is 43785240245459. The reversal of 43785240245441 is 14454204258734.

43785240245441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9868419091216 + 33916821154225 = 3141404^2 + 5823815^2 .

It is a cyclic number.

It is not a de Polignac number, because 43785240245441 - 2¹⁴ = 43785240229057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43785240245431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15320236586 + ... + 15320239443.

It is an arithmetic number, because the mean of its divisors is an integer number (10953970180725).

Almost surely, 2^{43785240245441} is an apocalyptic number.

It is an amenable number.

43785240245441 is a deficient number, since it is larger than the sum of its proper divisors (30640477459).

43785240245441 is a wasteful number, since it uses less digits than its factorization.

43785240245441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30640477458.

The product of its (nonzero) digits is 17203200, while the sum is 53.

The spelling of 43785240245441 in words is "forty-three trillion, seven hundred eighty-five billion, two hundred forty million, two hundred forty-five thousand, four hundred forty-one".