3844728761 has 4 divisors (see below), whose sum is σ = 3858916224. Its totient is φ = 3830541300.

The previous prime is 3844728757. The next prime is 3844728773. The reversal of 3844728761 is 1678274483.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1678274483 = 1451 ⋅1156633.

It is a cyclic number.

It is not a de Polignac number, because 3844728761 - 2² = 3844728757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3844728751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7093325 + ... + 7093866.

It is an arithmetic number, because the mean of its divisors is an integer number (964729056).

Almost surely, 2^3844728761 is an apocalyptic number.

It is an amenable number.

3844728761 is a deficient number, since it is larger than the sum of its proper divisors (14187463).

3844728761 is a wasteful number, since it uses less digits than its factorization.

3844728761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14187462.

The product of its digits is 1806336, while the sum is 50.

The square root of 3844728761 is about 62005.8768263138. The cubic root of 3844728761 is about 1566.5895870080.

The spelling of 3844728761 in words is "three billion, eight hundred forty-four million, seven hundred twenty-eight thousand, seven hundred sixty-one".