4044121019 has 4 divisors (see below), whose sum is σ = 4044462600. Its totient is φ = 4043779440.

The previous prime is 4044120989. The next prime is 4044121057. The reversal of 4044121019 is 9101214404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4044121019 - 2⁸ = 4044120763 is a prime.

It is a super-2 number, since 2×4044121019² = 32709829632635196722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044121069) 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, 152369 + ... + 176930.

It is an arithmetic number, because the mean of its divisors is an integer number (1011115650).

Almost surely, 2^4044121019 is an apocalyptic number.

4044121019 is a deficient number, since it is larger than the sum of its proper divisors (341581).

4044121019 is a wasteful number, since it uses less digits than its factorization.

4044121019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341580.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4044121019 is about 63593.4038953727. The cubic root of 4044121019 is about 1593.2162025563.

The spelling of 4044121019 in words is "four billion, forty-four million, one hundred twenty-one thousand, nineteen".