1004164459 has 16 divisors (see below), whose sum is σ = 1065756960. Its totient is φ = 946108800.

The previous prime is 1004164457. The next prime is 1004164471. The reversal of 1004164459 is 9544614001.

It is a happy number.

It is not a de Polignac number, because 1004164459 - 2¹ = 1004164457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004164453) 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 15 ways as a sum of consecutive naturals, for example, 1927119 + ... + 1927639.

It is an arithmetic number, because the mean of its divisors is an integer number (66609810).

Almost surely, 2^1004164459 is an apocalyptic number.

1004164459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1004164459 is a deficient number, since it is larger than the sum of its proper divisors (61592501).

1004164459 is an frugal number, since it uses more digits than its factorization.

1004164459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1004164459 is about 31688.5540692535. The cubic root of 1004164459 is about 1001.3862304771.

The spelling of 1004164459 in words is "one billion, four million, one hundred sixty-four thousand, four hundred fifty-nine".