2381328019 has 6 divisors (see below), whose sum is σ = 2770116324. Its totient is φ = 2041138260.

The previous prime is 2381327999. The next prime is 2381328031. The reversal of 2381328019 is 9108231832.

2381328019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2381328019 - 2¹¹ = 2381325971 is a prime.

It is a super-2 number, since 2×2381328019² = 11341446268148928722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2381326019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24299217 + ... + 24299314.

It is an arithmetic number, because the mean of its divisors is an integer number (461686054).

Almost surely, 2^2381328019 is an apocalyptic number.

2381328019 is a deficient number, since it is larger than the sum of its proper divisors (388788305).

2381328019 is an equidigital number, since it uses as much as digits as its factorization.

2381328019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48598545 (or 48598538 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 2381328019 is about 48798.8526402005. The cubic root of 2381328019 is about 1335.3847346472.

The spelling of 2381328019 in words is "two billion, three hundred eighty-one million, three hundred twenty-eight thousand, nineteen".