18050429 has 2 divisors, whose sum is σ = 18050430. Its totient is φ = 18050428.

The previous prime is 18050419. The next prime is 18050443. The reversal of 18050429 is 92405081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16605625 + 1444804 = 4075^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 18050429 - 2⁸ = 18050173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18050419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9025214 + 9025215.

It is an arithmetic number, because the mean of its divisors is an integer number (9025215).

Almost surely, 2^18050429 is an apocalyptic number.

It is an amenable number.

18050429 is a deficient number, since it is larger than the sum of its proper divisors (1).

18050429 is an equidigital number, since it uses as much as digits as its factorization.

18050429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 18050429 is about 4248.5796450108. The cubic root of 18050429 is about 262.3186544911.

The spelling of 18050429 in words is "eighteen million, fifty thousand, four hundred twenty-nine".