65133459993 has 32 divisors (see below), whose sum is σ = 100387123200. Its totient is φ = 36793935360.

The previous prime is 65133459973. The next prime is 65133459997. The reversal of 65133459993 is 39995433156.

It is not a de Polignac number, because 65133459993 - 2⁶ = 65133459929 is a prime.

It is a super-2 number, since 2×65133459993² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65133459997) 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, 1838158 + ... + 1873256.

It is an arithmetic number, because the mean of its divisors is an integer number (3137097600).

Almost surely, 2^65133459993 is an apocalyptic number.

It is an amenable number.

65133459993 is a deficient number, since it is larger than the sum of its proper divisors (35253663207).

65133459993 is a wasteful number, since it uses less digits than its factorization.

65133459993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36117.

The product of its digits is 11809800, while the sum is 57.

The spelling of 65133459993 in words is "sixty-five billion, one hundred thirty-three million, four hundred fifty-nine thousand, nine hundred ninety-three".