4144043957 has 4 divisors (see below), whose sum is σ = 4146821100. Its totient is φ = 4141266816.

The previous prime is 4144043951. The next prime is 4144043971. The reversal of 4144043957 is 7593404414.

4144043957 is digitally balanced in base 3, 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 3560628241 + 583415716 = 59671^2 + 24154^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144043957 - 2¹⁰ = 4144042933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144043951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386332 + ... + 1389317.

It is an arithmetic number, because the mean of its divisors is an integer number (1036705275).

Almost surely, 2^4144043957 is an apocalyptic number.

It is an amenable number.

4144043957 is a deficient number, since it is larger than the sum of its proper divisors (2777143).

4144043957 is a wasteful number, since it uses less digits than its factorization.

4144043957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777142.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 4144043957 is about 64374.2491762040. The cubic root of 4144043957 is about 1606.2314229165.

The spelling of 4144043957 in words is "four billion, one hundred forty-four million, forty-three thousand, nine hundred fifty-seven".