1919472383 has 4 divisors (see below), whose sum is σ = 2002927728. Its totient is φ = 1836017040.

The previous prime is 1919472361. The next prime is 1919472413. The reversal of 1919472383 is 3832749191.

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 1919472383 - 2²⁰ = 1918423807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919472323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41727638 + ... + 41727683.

It is an arithmetic number, because the mean of its divisors is an integer number (500731932).

Almost surely, 2^1919472383 is an apocalyptic number.

1919472383 is a deficient number, since it is larger than the sum of its proper divisors (83455345).

1919472383 is an equidigital number, since it uses as much as digits as its factorization.

1919472383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83455344.

The product of its digits is 326592, while the sum is 47.

The square root of 1919472383 is about 43811.7836089790. The cubic root of 1919472383 is about 1242.7791427365.

The spelling of 1919472383 in words is "one billion, nine hundred nineteen million, four hundred seventy-two thousand, three hundred eighty-three".