1913384119 has 4 divisors (see below), whose sum is σ = 2025936144. Its totient is φ = 1800832096.

The previous prime is 1913384107. The next prime is 1913384129. The reversal of 1913384119 is 9114833191.

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 1913384119 - 2⁵ = 1913384087 is a prime.

It is a super-2 number, since 2×1913384119² = 7322077573682812322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913384129) 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, 56275987 + ... + 56276020.

It is an arithmetic number, because the mean of its divisors is an integer number (506484036).

Almost surely, 2^1913384119 is an apocalyptic number.

1913384119 is a deficient number, since it is larger than the sum of its proper divisors (112552025).

1913384119 is a wasteful number, since it uses less digits than its factorization.

1913384119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112552024.

The product of its digits is 23328, while the sum is 40.

The square root of 1913384119 is about 43742.2463872170. The cubic root of 1913384119 is about 1241.4637845017.

The spelling of 1913384119 in words is "one billion, nine hundred thirteen million, three hundred eighty-four thousand, one hundred nineteen".