3840190019 has 4 divisors (see below), whose sum is σ = 3844549800. Its totient is φ = 3835830240.

The previous prime is 3840190001. The next prime is 3840190031. The reversal of 3840190019 is 9100910483.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3840190019 is a prime.

It is a super-2 number, since 2×3840190019² = 29494118764054440722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3840190049) 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, 2178569 + ... + 2180330.

It is an arithmetic number, because the mean of its divisors is an integer number (961137450).

Almost surely, 2^3840190019 is an apocalyptic number.

3840190019 is a deficient number, since it is larger than the sum of its proper divisors (4359781).

3840190019 is an equidigital number, since it uses as much as digits as its factorization.

3840190019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359780.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 3840190019 is about 61969.2667295652. The cubic root of 3840190019 is about 1565.9728858760.

The spelling of 3840190019 in words is "three billion, eight hundred forty million, one hundred ninety thousand, nineteen".