1919275483 has 4 divisors (see below), whose sum is σ = 1942399368. Its totient is φ = 1896151600.

The previous prime is 1919275447. The next prime is 1919275499. The reversal of 1919275483 is 3845729191.

It is a happy number.

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

It is not a de Polignac number, because 1919275483 - 2¹³ = 1919267291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1919275403) 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, 11561818 + ... + 11561983.

It is an arithmetic number, because the mean of its divisors is an integer number (485599842).

Almost surely, 2^1919275483 is an apocalyptic number.

1919275483 is a deficient number, since it is larger than the sum of its proper divisors (23123885).

1919275483 is an equidigital number, since it uses as much as digits as its factorization.

1919275483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23123884.

The product of its digits is 544320, while the sum is 49.

The square root of 1919275483 is about 43809.5364389992. The cubic root of 1919275483 is about 1242.7366464091.

The spelling of 1919275483 in words is "one billion, nine hundred nineteen million, two hundred seventy-five thousand, four hundred eighty-three".