1004553798973 has 2 divisors, whose sum is σ = 1004553798974. Its totient is φ = 1004553798972.

The previous prime is 1004553798953. The next prime is 1004553799019. The reversal of 1004553798973 is 3798973554001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 867211662564 + 137342136409 = 931242^2 + 370597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004553798973 - 2³⁷ = 867114845501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004553798953) 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 as a sum of consecutive naturals, namely, 502276899486 + 502276899487.

It is an arithmetic number, because the mean of its divisors is an integer number (502276899487).

Almost surely, 2^{1004553798973} is an apocalyptic number.

It is an amenable number.

1004553798973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004553798973 is an equidigital number, since it uses as much as digits as its factorization.

1004553798973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28576800, while the sum is 61.

The spelling of 1004553798973 in words is "one trillion, four billion, five hundred fifty-three million, seven hundred ninety-eight thousand, nine hundred seventy-three".