16441429 has 2 divisors, whose sum is σ = 16441430. Its totient is φ = 16441428.

The previous prime is 16441427. The next prime is 16441433. The reversal of 16441429 is 92414461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15421329 + 1020100 = 3927^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 16441429 - 2¹ = 16441427 is a prime.

It is a super-3 number, since 3×16441429³ (a number of 23 digits) contains 333 as substring.

Together with 16441427, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16441429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16441427) 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 as a sum of consecutive naturals, namely, 8220714 + 8220715.

It is an arithmetic number, because the mean of its divisors is an integer number (8220715).

Almost surely, 2^16441429 is an apocalyptic number.

It is an amenable number.

16441429 is a deficient number, since it is larger than the sum of its proper divisors (1).

16441429 is an equidigital number, since it uses as much as digits as its factorization.

16441429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 16441429 is about 4054.8032011431. The cubic root of 16441429 is about 254.2805763476.

The spelling of 16441429 in words is "sixteen million, four hundred forty-one thousand, four hundred twenty-nine".