3819741864449 has 12 divisors (see below), whose sum is σ = 4443408802800. Its totient is φ = 3274038213768.

The previous prime is 3819741864431. The next prime is 3819741864529. The reversal of 3819741864449 is 9444681479183.

It is not a de Polignac number, because 3819741864449 - 2²⁰ = 3819740815873 is a prime.

It is a super-2 number, since 2×3819741864449² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3819741864649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8214422 + ... + 8666960.

It is an arithmetic number, because the mean of its divisors is an integer number (370284066900).

Almost surely, 2^{3819741864449} is an apocalyptic number.

It is an amenable number.

3819741864449 is a deficient number, since it is larger than the sum of its proper divisors (623666938351).

3819741864449 is a wasteful number, since it uses less digits than its factorization.

3819741864449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624812 (or 624805 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 68.

The spelling of 3819741864449 in words is "three trillion, eight hundred nineteen billion, seven hundred forty-one million, eight hundred sixty-four thousand, four hundred forty-nine".