1000608505021 has 2 divisors, whose sum is σ = 1000608505022. Its totient is φ = 1000608505020.

The previous prime is 1000608504953. The next prime is 1000608505073. The reversal of 1000608505021 is 1205058060001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619007032900 + 381601472121 = 786770^2 + 617739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000608505021 - 2⁹ = 1000608504509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000608505081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500304252510 + 500304252511.

It is an arithmetic number, because the mean of its divisors is an integer number (500304252511).

Almost surely, 2^{1000608505021} is an apocalyptic number.

It is an amenable number.

1000608505021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000608505021 is an equidigital number, since it uses as much as digits as its factorization.

1000608505021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 1000608505021 in words is "one trillion, six hundred eight million, five hundred five thousand, twenty-one".