4121543705 has 4 divisors (see below), whose sum is σ = 4945852452. Its totient is φ = 3297234960.

The previous prime is 4121543689. The next prime is 4121543711. The reversal of 4121543705 is 5073451214.

4121543705 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 2030493721 + 2091049984 = 45061^2 + 45728^2 .

It is not a de Polignac number, because 4121543705 - 2⁴ = 4121543689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412154366 + ... + 412154375.

It is an arithmetic number, because the mean of its divisors is an integer number (1236463113).

Almost surely, 2^4121543705 is an apocalyptic number.

It is an amenable number.

4121543705 is a deficient number, since it is larger than the sum of its proper divisors (824308747).

4121543705 is an equidigital number, since it uses as much as digits as its factorization.

4121543705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824308746.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 4121543705 is about 64199.2500345604. The cubic root of 4121543705 is about 1603.3191131740.

Adding to 4121543705 its reverse (5073451214), we get a palindrome (9194994919).

The spelling of 4121543705 in words is "four billion, one hundred twenty-one million, five hundred forty-three thousand, seven hundred five".