1019509483 has 4 divisors (see below), whose sum is σ = 1022130720. Its totient is φ = 1016888248.

The previous prime is 1019509411. The next prime is 1019509511. The reversal of 1019509483 is 3849059101.

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 1019509483 - 2¹³ = 1019501291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1019509583) 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, 1310035 + ... + 1310812.

It is an arithmetic number, because the mean of its divisors is an integer number (255532680).

Almost surely, 2^1019509483 is an apocalyptic number.

1019509483 is a deficient number, since it is larger than the sum of its proper divisors (2621237).

1019509483 is an equidigital number, since it uses as much as digits as its factorization.

1019509483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621236.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1019509483 is about 31929.7585803589. The cubic root of 1019509483 is about 1006.4613223957.

The spelling of 1019509483 in words is "one billion, nineteen million, five hundred nine thousand, four hundred eighty-three".