65675734241 has 32 divisors (see below), whose sum is σ = 73386365472. Its totient is φ = 58390824960.

The previous prime is 65675734231. The next prime is 65675734249. The reversal of 65675734241 is 14243757656.

It can be written as a sum of positive squares in 16 ways, for example, as 58626452641 + 7049281600 = 242129^2 + 83960^2 .

It is not a de Polignac number, because 65675734241 - 2¹⁸ = 65675472097 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65675734241.

It is not an unprimeable number, because it can be changed into a prime (65675734249) 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 31 ways as a sum of consecutive naturals, for example, 27443741 + ... + 27446133.

It is an arithmetic number, because the mean of its divisors is an integer number (2293323921).

Almost surely, 2^65675734241 is an apocalyptic number.

65675734241 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

65675734241 is a deficient number, since it is larger than the sum of its proper divisors (7710631231).

65675734241 is a wasteful number, since it uses less digits than its factorization.

65675734241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its digits is 4233600, while the sum is 50.

The spelling of 65675734241 in words is "sixty-five billion, six hundred seventy-five million, seven hundred thirty-four thousand, two hundred forty-one".