1003405554089 has 2 divisors, whose sum is σ = 1003405554090. Its totient is φ = 1003405554088.

The previous prime is 1003405554079. The next prime is 1003405554127. The reversal of 1003405554089 is 9804555043001.

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., 532374529600 + 471031024489 = 729640^2 + 686317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003405554089 - 2²⁰ = 1003404505513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003405554059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501702777044 + 501702777045.

It is an arithmetic number, because the mean of its divisors is an integer number (501702777045).

Almost surely, 2^{1003405554089} is an apocalyptic number.

It is an amenable number.

1003405554089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003405554089 is an equidigital number, since it uses as much as digits as its factorization.

1003405554089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 1003405554089 in words is "one trillion, three billion, four hundred five million, five hundred fifty-four thousand, eighty-nine".