64086549 has 16 divisors (see below), whose sum is σ = 93597120. Its totient is φ = 38823680.

The previous prime is 64086527. The next prime is 64086551. The reversal of 64086549 is 94568046.

64086549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64086549 - 2¹² = 64082453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64086549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64086599) 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 in 15 ways as a sum of consecutive naturals, for example, 20187 + ... + 23144.

It is an arithmetic number, because the mean of its divisors is an integer number (5849820).

Almost surely, 2^64086549 is an apocalyptic number.

It is an amenable number.

64086549 is a deficient number, since it is larger than the sum of its proper divisors (29510571).

64086549 is a wasteful number, since it uses less digits than its factorization.

64086549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43380.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 64086549 is about 8005.4074849442. The cubic root of 64086549 is about 400.1802291981.

The spelling of 64086549 in words is "sixty-four million, eighty-six thousand, five hundred forty-nine".