450251603189 has 2 divisors, whose sum is σ = 450251603190. Its totient is φ = 450251603188.

The previous prime is 450251603183. The next prime is 450251603227. The reversal of 450251603189 is 981306152054.

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., 394716910225 + 55534692964 = 628265^2 + 235658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450251603189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450251603183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225125801594 + 225125801595.

It is an arithmetic number, because the mean of its divisors is an integer number (225125801595).

Almost surely, 2^450251603189 is an apocalyptic number.

It is an amenable number.

450251603189 is a deficient number, since it is larger than the sum of its proper divisors (1).

450251603189 is an equidigital number, since it uses as much as digits as its factorization.

450251603189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 450251603189 in words is "four hundred fifty billion, two hundred fifty-one million, six hundred three thousand, one hundred eighty-nine".