65393693 has 4 divisors (see below), whose sum is σ = 65785440. Its totient is φ = 65001948.

The previous prime is 65393681. The next prime is 65393711. The reversal of 65393693 is 39639356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65393693 - 2¹⁰ = 65392669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65393633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195623 + ... + 195956.

It is an arithmetic number, because the mean of its divisors is an integer number (16446360).

Almost surely, 2^65393693 is an apocalyptic number.

It is an amenable number.

65393693 is a deficient number, since it is larger than the sum of its proper divisors (391747).

65393693 is a wasteful number, since it uses less digits than its factorization.

65393693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391746.

The product of its digits is 393660, while the sum is 44.

The square root of 65393693 is about 8086.6366927172. The cubic root of 65393693 is about 402.8827022461.

The spelling of 65393693 in words is "sixty-five million, three hundred ninety-three thousand, six hundred ninety-three".