16449529 has 2 divisors, whose sum is σ = 16449530. Its totient is φ = 16449528.

The previous prime is 16449527. The next prime is 16449541. The reversal of 16449529 is 92594461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12588304 + 3861225 = 3548^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 16449529 - 2¹ = 16449527 is a prime.

Together with 16449527, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16449491 and 16449500.

It is not a weakly prime, because it can be changed into another prime (16449527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8224764 + 8224765.

It is an arithmetic number, because the mean of its divisors is an integer number (8224765).

Almost surely, 2^16449529 is an apocalyptic number.

It is an amenable number.

16449529 is a deficient number, since it is larger than the sum of its proper divisors (1).

16449529 is an equidigital number, since it uses as much as digits as its factorization.

16449529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 16449529 is about 4055.8018935841. The cubic root of 16449529 is about 254.3223272709.

The spelling of 16449529 in words is "sixteen million, four hundred forty-nine thousand, five hundred twenty-nine".