659544465 has 16 divisors (see below), whose sum is σ = 1058879808. Its totient is φ = 350554176.

The previous prime is 659544463. The next prime is 659544533. The reversal of 659544465 is 564445956.

It is not a de Polignac number, because 659544465 - 2¹ = 659544463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (659544463) 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 in 15 ways as a sum of consecutive naturals, for example, 70639 + ... + 79428.

It is an arithmetic number, because the mean of its divisors is an integer number (66179988).

Almost surely, 2^659544465 is an apocalyptic number.

It is an amenable number.

659544465 is a deficient number, since it is larger than the sum of its proper divisors (399335343).

659544465 is a wasteful number, since it uses less digits than its factorization.

659544465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150368.

The product of its digits is 2592000, while the sum is 48.

The square root of 659544465 is about 25681.5977890785. The cubic root of 659544465 is about 870.4584121345.

The spelling of 659544465 in words is "six hundred fifty-nine million, five hundred forty-four thousand, four hundred sixty-five".