90030403009 has 2 divisors, whose sum is σ = 90030403010. Its totient is φ = 90030403008.

The previous prime is 90030403007. The next prime is 90030403031.

90030403009 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64140627600 + 25889775409 = 253260^2 + 160903^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 90030403009 - 2¹ = 90030403007 is a prime.

Together with 90030403007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (90030403007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45015201504 + 45015201505.

It is an arithmetic number, because the mean of its divisors is an integer number (45015201505).

Almost surely, 2^90030403009 is an apocalyptic number.

It is an amenable number.

90030403009 is a deficient number, since it is larger than the sum of its proper divisors (1).

90030403009 is an equidigital number, since it uses as much as digits as its factorization.

90030403009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

It can be divided in two parts, 90030 and 403009, that added together give a cube (493039 = 79³).

The spelling of 90030403009 in words is "ninety billion, thirty million, four hundred three thousand, nine".