65493849 has 16 divisors (see below), whose sum is σ = 89812800. Its totient is φ = 42434496.

The previous prime is 65493847. The next prime is 65493871. The reversal of 65493849 is 94839456.

It is not a de Polignac number, because 65493849 - 2¹ = 65493847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65493798 and 65493807.

It is not an unprimeable number, because it can be changed into a prime (65493847) 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, 15442 + ... + 19220.

It is an arithmetic number, because the mean of its divisors is an integer number (5613300).

Almost surely, 2^65493849 is an apocalyptic number.

It is an amenable number.

65493849 is a deficient number, since it is larger than the sum of its proper divisors (24318951).

65493849 is a wasteful number, since it uses less digits than its factorization.

65493849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944.

The product of its digits is 933120, while the sum is 48.

The square root of 65493849 is about 8092.8270091483. The cubic root of 65493849 is about 403.0882803643.

The spelling of 65493849 in words is "sixty-five million, four hundred ninety-three thousand, eight hundred forty-nine".