65493998933 has 64 divisors (see below), whose sum is σ = 79272345600. Its totient is φ = 53478532800.

The previous prime is 65493998929. The next prime is 65493998957. The reversal of 65493998933 is 33989939456.

It is not a de Polignac number, because 65493998933 - 2² = 65493998929 is a prime.

It is a super-3 number, since 3×65493998933³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65493998993) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46814168 + ... + 46815566.

It is an arithmetic number, because the mean of its divisors is an integer number (1238630400).

Almost surely, 2^65493998933 is an apocalyptic number.

It is an amenable number.

65493998933 is a deficient number, since it is larger than the sum of its proper divisors (13778346667).

65493998933 is a wasteful number, since it uses less digits than its factorization.

65493998933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its digits is 170061120, while the sum is 68.

The spelling of 65493998933 in words is "sixty-five billion, four hundred ninety-three million, nine hundred ninety-eight thousand, nine hundred thirty-three".