1004553798999 has 4 divisors (see below), whose sum is σ = 1339405065336. Its totient is φ = 669702532664.

The previous prime is 1004553798973. The next prime is 1004553799019. The reversal of 1004553798999 is 9998973554001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004553798999 - 2²¹ = 1004551701847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004553798299) 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 3 ways as a sum of consecutive naturals, for example, 167425633164 + ... + 167425633169.

It is an arithmetic number, because the mean of its divisors is an integer number (334851266334).

Almost surely, 2^{1004553798999} is an apocalyptic number.

1004553798999 is a deficient number, since it is larger than the sum of its proper divisors (334851266337).

1004553798999 is an equidigital number, since it uses as much as digits as its factorization.

1004553798999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334851266336.

The product of its (nonzero) digits is 110224800, while the sum is 69.

The spelling of 1004553798999 in words is "one trillion, four billion, five hundred fifty-three million, seven hundred ninety-eight thousand, nine hundred ninety-nine".