4144813709 has 4 divisors (see below), whose sum is σ = 4145028000. Its totient is φ = 4144599420.

The previous prime is 4144813703. The next prime is 4144813711. The reversal of 4144813709 is 9073184414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4144813709 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 (4144813703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74897 + ... + 117894.

It is an arithmetic number, because the mean of its divisors is an integer number (1036257000).

Almost surely, 2^4144813709 is an apocalyptic number.

It is an amenable number.

4144813709 is a deficient number, since it is larger than the sum of its proper divisors (214291).

4144813709 is a wasteful number, since it uses less digits than its factorization.

4144813709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214290.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 4144813709 is about 64380.2276246364. The cubic root of 4144813709 is about 1606.3308687169.

The spelling of 4144813709 in words is "four billion, one hundred forty-four million, eight hundred thirteen thousand, seven hundred nine".