18429453 has 12 divisors (see below), whose sum is σ = 30423328. Its totient is φ = 10531080.

The previous prime is 18429443. The next prime is 18429457. The reversal of 18429453 is 35492481.

18429453 is a `hidden beast` number, since 184 + 29 + 453 = 666.

It is not a de Polignac number, because 18429453 - 2⁵ = 18429421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18429457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146203 + ... + 146328.

Almost surely, 2^18429453 is an apocalyptic number.

It is an amenable number.

18429453 is a deficient number, since it is larger than the sum of its proper divisors (11993875).

18429453 is a wasteful number, since it uses less digits than its factorization.

18429453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292544 (or 292541 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 18429453 is about 4292.9538781590. The cubic root of 18429453 is about 264.1420120931.

The spelling of 18429453 in words is "eighteen million, four hundred twenty-nine thousand, four hundred fifty-three".