16254201409 has 2 divisors, whose sum is σ = 16254201410. Its totient is φ = 16254201408.

The previous prime is 16254201367. The next prime is 16254201419. The reversal of 16254201409 is 90410245261.

16254201409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15956742400 + 297459009 = 126320^2 + 17247^2 .

It is a cyclic number.

It is not a de Polignac number, because 16254201409 - 2⁷ = 16254201281 is a prime.

It is not a weakly prime, because it can be changed into another prime (16254201419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127100704 + 8127100705.

It is an arithmetic number, because the mean of its divisors is an integer number (8127100705).

Almost surely, 2^16254201409 is an apocalyptic number.

It is an amenable number.

16254201409 is a deficient number, since it is larger than the sum of its proper divisors (1).

16254201409 is an equidigital number, since it uses as much as digits as its factorization.

16254201409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 16254201409 in words is "sixteen billion, two hundred fifty-four million, two hundred one thousand, four hundred nine".