1004554631221 has 8 divisors (see below), whose sum is σ = 1011218688000. Its totient is φ = 997905206160.

The previous prime is 1004554631207. The next prime is 1004554631243. The reversal of 1004554631221 is 1221364554001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1004554631221 - 2⁵ = 1004554631189 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 (1004554631261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3520146 + ... + 3794803.

It is an arithmetic number, because the mean of its divisors is an integer number (126402336000).

Almost surely, 2^{1004554631221} is an apocalyptic number.

It is an amenable number.

1004554631221 is a deficient number, since it is larger than the sum of its proper divisors (6664056779).

1004554631221 is an equidigital number, since it uses as much as digits as its factorization.

1004554631221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315859.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 1004554631221 in words is "one trillion, four billion, five hundred fifty-four million, six hundred thirty-one thousand, two hundred twenty-one".