3809408864919 has 16 divisors (see below), whose sum is σ = 6146273127168. Its totient is φ = 2048757708672.

The previous prime is 3809408864909. The next prime is 3809408864957. The reversal of 3809408864919 is 9194688049083.

It is not a de Polignac number, because 3809408864919 - 2⁷ = 3809408864791 is a prime.

It is a super-2 number, since 2×3809408864919² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809408864909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5335306177 + ... + 5335306890.

It is an arithmetic number, because the mean of its divisors is an integer number (384142070448).

Almost surely, 2^{3809408864919} is an apocalyptic number.

3809408864919 is a deficient number, since it is larger than the sum of its proper divisors (2336864262249).

3809408864919 is a wasteful number, since it uses less digits than its factorization.

3809408864919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10670613094.

The product of its (nonzero) digits is 107495424, while the sum is 69.

The spelling of 3809408864919 in words is "three trillion, eight hundred nine billion, four hundred eight million, eight hundred sixty-four thousand, nine hundred nineteen".