450140015189 has 2 divisors, whose sum is σ = 450140015190. Its totient is φ = 450140015188.

The previous prime is 450140015173. The next prime is 450140015219. The reversal of 450140015189 is 981510041054.

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., 433668346225 + 16471668964 = 658535^2 + 128342^2 .

It is a cyclic number.

It is not a de Polignac number, because 450140015189 - 2⁴ = 450140015173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450140015789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225070007594 + 225070007595.

It is an arithmetic number, because the mean of its divisors is an integer number (225070007595).

Almost surely, 2^450140015189 is an apocalyptic number.

It is an amenable number.

450140015189 is a deficient number, since it is larger than the sum of its proper divisors (1).

450140015189 is an equidigital number, since it uses as much as digits as its factorization.

450140015189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 450140015189 in words is "four hundred fifty billion, one hundred forty million, fifteen thousand, one hundred eighty-nine".