1004016649 has 4 divisors (see below), whose sum is σ = 1004110336. Its totient is φ = 1003922964.

The previous prime is 1004016557. The next prime is 1004016697. The reversal of 1004016649 is 9466104001.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1004016649 - 2¹⁵ = 1003983881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004016649.

It is not an unprimeable number, because it can be changed into a prime (1004016749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28329 + ... + 53014.

It is an arithmetic number, because the mean of its divisors is an integer number (251027584).

Almost surely, 2^1004016649 is an apocalyptic number.

It is an amenable number.

1004016649 is a deficient number, since it is larger than the sum of its proper divisors (93687).

1004016649 is an equidigital number, since it uses as much as digits as its factorization.

1004016649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93686.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1004016649 is about 31686.2217533110. The cubic root of 1004016649 is about 1001.3370943818.

The spelling of 1004016649 in words is "one billion, four million, sixteen thousand, six hundred forty-nine".