4144750641 has 14 divisors (see below), whose sum is σ = 6214284290. Its totient is φ = 2763166608.

The previous prime is 4144750579. The next prime is 4144750657. The reversal of 4144750641 is 1460574414.

It is a happy number.

4144750641 is a `hidden beast` number, since 4 + 1 + 4 + 4 + 7 + 5 + 0 + 641 = 666.

4144750641 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., 3684004416 + 460746225 = 60696^2 + 21465^2 .

It is not a de Polignac number, because 4144750641 - 2⁷ = 4144750513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4144750596 and 4144750605.

It is not an unprimeable number, because it can be changed into a prime (4144750661) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2842036 + ... + 2843493.

Almost surely, 2^4144750641 is an apocalyptic number.

It is an amenable number.

4144750641 is a deficient number, since it is larger than the sum of its proper divisors (2069533649).

4144750641 is an frugal number, since it uses more digits than its factorization.

4144750641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685547 (or 5685532 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 4144750641 is about 64379.7378140048. The cubic root of 4144750641 is about 1606.3227212989.

The spelling of 4144750641 in words is "four billion, one hundred forty-four million, seven hundred fifty thousand, six hundred forty-one".