1004455304553 has 4 divisors (see below), whose sum is σ = 1339273739408. Its totient is φ = 669636869700.

The previous prime is 1004455304513. The next prime is 1004455304563. The reversal of 1004455304553 is 3554035544001.

It is a happy number.

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 not a de Polignac number, because 1004455304553 - 2²⁸ = 1004186869097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004455304513) 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, 167409217423 + ... + 167409217428.

It is an arithmetic number, because the mean of its divisors is an integer number (334818434852).

Almost surely, 2^{1004455304553} is an apocalyptic number.

It is an amenable number.

1004455304553 is a deficient number, since it is larger than the sum of its proper divisors (334818434855).

1004455304553 is an equidigital number, since it uses as much as digits as its factorization.

1004455304553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334818434854.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 1004455304553 in words is "one trillion, four billion, four hundred fifty-five million, three hundred four thousand, five hundred fifty-three".