65532416049 has 9 divisors (see below), whose sum is σ = 94659043609. Its totient is φ = 43687765380.

The previous prime is 65532416041. The next prime is 65532416069. The reversal of 65532416049 is 94061423556.

The square root of 65532416049 is 255993.

It is a perfect power (a square), and thus also a powerful number.

65532416049 is a `hidden beast` number, since 6 + 5 + 5 + 32 + 4 + 1 + 604 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 65532416049 - 2³ = 65532416041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65532415995 and 65532416013.

It is not an unprimeable number, because it can be changed into a prime (65532416041) 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 8 ways as a sum of consecutive naturals, for example, 725314 + ... + 810644.

Almost surely, 2^65532416049 is an apocalyptic number.

65532416049 is the 255993-rd square number.

65532416049 is the 127997-th centered octagonal number.

It is an amenable number.

65532416049 is a deficient number, since it is larger than the sum of its proper divisors (29126627560).

65532416049 is an frugal number, since it uses more digits than its factorization.

65532416049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170668 (or 85334 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 65532416049 in words is "sixty-five billion, five hundred thirty-two million, four hundred sixteen thousand, forty-nine".