1048783819 has 4 divisors (see below), whose sum is σ = 1049235696. Its totient is φ = 1048331944.

The previous prime is 1048783783. The next prime is 1048783829. The reversal of 1048783819 is 9183878401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1048783819 is a prime.

It is a super-2 number, since 2×1048783819² = 2199894997992449522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048783829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222439 + ... + 227104.

It is an arithmetic number, because the mean of its divisors is an integer number (262308924).

Almost surely, 2^1048783819 is an apocalyptic number.

1048783819 is a deficient number, since it is larger than the sum of its proper divisors (451877).

1048783819 is an equidigital number, since it uses as much as digits as its factorization.

1048783819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451876.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 1048783819 is about 32384.9319746082. The cubic root of 1048783819 is about 1016.0037855455.

The spelling of 1048783819 in words is "one billion, forty-eight million, seven hundred eighty-three thousand, eight hundred nineteen".