1004164309 has 4 divisors (see below), whose sum is σ = 1019151904. Its totient is φ = 989176716.

The previous prime is 1004164303. The next prime is 1004164331. The reversal of 1004164309 is 9034614001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1004164309 - 2²³ = 995775701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004164303) 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, 7493697 + ... + 7493830.

It is an arithmetic number, because the mean of its divisors is an integer number (254787976).

Almost surely, 2^1004164309 is an apocalyptic number.

It is an amenable number.

1004164309 is a deficient number, since it is larger than the sum of its proper divisors (14987595).

1004164309 is an equidigital number, since it uses as much as digits as its factorization.

1004164309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14987594.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1004164309 is about 31688.5517024682. The cubic root of 1004164309 is about 1001.3861806155.

The spelling of 1004164309 in words is "one billion, four million, one hundred sixty-four thousand, three hundred nine".