65468485693 has 8 divisors (see below), whose sum is σ = 70576701048. Its totient is φ = 60370581504.

The previous prime is 65468485657. The next prime is 65468485699. The reversal of 65468485693 is 39658486456.

It can be written as a sum of positive squares in 4 ways, for example, as 11329899364 + 54138586329 = 106442^2 + 232677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65468485693 - 2²¹ = 65466388541 is a prime.

It is a super-2 number, since 2×65468485693² (a number of 22 digits) contains 22 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 (65468485699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2564596 + ... + 2589997.

It is an arithmetic number, because the mean of its divisors is an integer number (8822087631).

Almost surely, 2^65468485693 is an apocalyptic number.

It is an amenable number.

65468485693 is a deficient number, since it is larger than the sum of its proper divisors (5108215355).

65468485693 is a wasteful number, since it uses less digits than its factorization.

65468485693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155583.

The product of its digits is 149299200, while the sum is 64.

The spelling of 65468485693 in words is "sixty-five billion, four hundred sixty-eight million, four hundred eighty-five thousand, six hundred ninety-three".