603401900009 has 2 divisors, whose sum is σ = 603401900010. Its totient is φ = 603401900008.

The previous prime is 603401899963. The next prime is 603401900027. The reversal of 603401900009 is 900009104306.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603112219609 + 289680400 = 776603^2 + 17020^2 .

It is a cyclic number.

It is not a de Polignac number, because 603401900009 - 2³⁶ = 534682423273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (603401900039) 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, 301700950004 + 301700950005.

It is an arithmetic number, because the mean of its divisors is an integer number (301700950005).

Almost surely, 2^603401900009 is an apocalyptic number.

It is an amenable number.

603401900009 is a deficient number, since it is larger than the sum of its proper divisors (1).

603401900009 is an equidigital number, since it uses as much as digits as its factorization.

603401900009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 603401900009 in words is "six hundred three billion, four hundred one million, nine hundred thousand, nine".