450887693 has 2 divisors, whose sum is σ = 450887694. Its totient is φ = 450887692.

The previous prime is 450887659. The next prime is 450887707. The reversal of 450887693 is 396788054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421152484 + 29735209 = 20522^2 + 5453^2 .

It is a cyclic number.

It is not a de Polignac number, because 450887693 - 2¹⁰ = 450886669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450889693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225443846 + 225443847.

It is an arithmetic number, because the mean of its divisors is an integer number (225443847).

Almost surely, 2^450887693 is an apocalyptic number.

It is an amenable number.

450887693 is a deficient number, since it is larger than the sum of its proper divisors (1).

450887693 is an equidigital number, since it uses as much as digits as its factorization.

450887693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 450887693 is about 21234.1162519188. The cubic root of 450887693 is about 766.8129884762.

The spelling of 450887693 in words is "four hundred fifty million, eight hundred eighty-seven thousand, six hundred ninety-three".