18453429 has 24 divisors (see below), whose sum is σ = 28005120. Its totient is φ = 11686752.

The previous prime is 18453419. The next prime is 18453431. The reversal of 18453429 is 92435481.

18453429 is a `hidden beast` number, since 184 + 53 + 429 = 666.

It is not a de Polignac number, because 18453429 - 2⁷ = 18453301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18453393 and 18453402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18453419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49287 + ... + 49659.

It is an arithmetic number, because the mean of its divisors is an integer number (1166880).

Almost surely, 2^18453429 is an apocalyptic number.

It is an amenable number.

18453429 is a deficient number, since it is larger than the sum of its proper divisors (9551691).

18453429 is a wasteful number, since it uses less digits than its factorization.

18453429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 638 counting only the distinct ones).

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

The square root of 18453429 is about 4295.7454533527. The cubic root of 18453429 is about 264.2565086096.

The spelling of 18453429 in words is "eighteen million, four hundred fifty-three thousand, four hundred twenty-nine".