1009483779 has 8 divisors (see below), whose sum is σ = 1349647360. Its totient is φ = 671154696.

The previous prime is 1009483763. The next prime is 1009483793. The reversal of 1009483779 is 9773849001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1009483779 - 2⁴ = 1009483763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1009483729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457339 + ... + 459540.

It is an arithmetic number, because the mean of its divisors is an integer number (168705920).

Almost surely, 2^1009483779 is an apocalyptic number.

1009483779 is a deficient number, since it is larger than the sum of its proper divisors (340163581).

1009483779 is an equidigital number, since it uses as much as digits as its factorization.

1009483779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917249.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1009483779 is about 31772.3744627310. The cubic root of 1009483779 is about 1003.1513184271.

The spelling of 1009483779 in words is "one billion, nine million, four hundred eighty-three thousand, seven hundred seventy-nine".