18289000453 has 2 divisors, whose sum is σ = 18289000454. Its totient is φ = 18289000452.

The previous prime is 18289000417. The next prime is 18289000463. The reversal of 18289000453 is 35400098281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17019289764 + 1269710689 = 130458^2 + 35633^2 .

It is a cyclic number.

It is not a de Polignac number, because 18289000453 - 2¹⁷ = 18288869381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18289000403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9144500226 + 9144500227.

It is an arithmetic number, because the mean of its divisors is an integer number (9144500227).

Almost surely, 2^18289000453 is an apocalyptic number.

It is an amenable number.

18289000453 is a deficient number, since it is larger than the sum of its proper divisors (1).

18289000453 is an equidigital number, since it uses as much as digits as its factorization.

18289000453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 18289000453 in words is "eighteen billion, two hundred eighty-nine million, four hundred fifty-three", and thus it is an aban number.