16044250549 has 2 divisors, whose sum is σ = 16044250550. Its totient is φ = 16044250548.

The previous prime is 16044250529. The next prime is 16044250559. The reversal of 16044250549 is 94505244061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16040222500 + 4028049 = 126650^2 + 2007^2 .

It is a cyclic number.

It is not a de Polignac number, because 16044250549 - 2⁵ = 16044250517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16044250529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8022125274 + 8022125275.

It is an arithmetic number, because the mean of its divisors is an integer number (8022125275).

Almost surely, 2^16044250549 is an apocalyptic number.

It is an amenable number.

16044250549 is a deficient number, since it is larger than the sum of its proper divisors (1).

16044250549 is an equidigital number, since it uses as much as digits as its factorization.

16044250549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 16044250549 in words is "sixteen billion, forty-four million, two hundred fifty thousand, five hundred forty-nine".