65133459994 has 16 divisors (see below), whose sum is σ = 99332506728. Its totient is φ = 32025272832.

The previous prime is 65133459973. The next prime is 65133459997. The reversal of 65133459994 is 49995433156.

It can be written as a sum of positive squares in 4 ways, for example, as 53552902225 + 11580557769 = 231415^2 + 107613^2 .

It is a super-2 number, since 2×65133459994² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 612697 + ... + 711100.

Almost surely, 2^65133459994 is an apocalyptic number.

65133459994 is a deficient number, since it is larger than the sum of its proper divisors (34199046734).

65133459994 is a wasteful number, since it uses less digits than its factorization.

65133459994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324209.

The product of its digits is 15746400, while the sum is 58.

The spelling of 65133459994 in words is "sixty-five billion, one hundred thirty-three million, four hundred fifty-nine thousand, nine hundred ninety-four".