65314563213 has 4 divisors (see below), whose sum is σ = 87086084288. Its totient is φ = 43543042140.

The previous prime is 65314563199. The next prime is 65314563221. The reversal of 65314563213 is 31236541356.

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 not a de Polignac number, because 65314563213 - 2²² = 65310368909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65314563113) 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 3 ways as a sum of consecutive naturals, for example, 10885760533 + ... + 10885760538.

It is an arithmetic number, because the mean of its divisors is an integer number (21771521072).

Almost surely, 2^65314563213 is an apocalyptic number.

It is an amenable number.

65314563213 is a deficient number, since it is larger than the sum of its proper divisors (21771521075).

65314563213 is a wasteful number, since it uses less digits than its factorization.

65314563213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21771521074.

The product of its digits is 194400, while the sum is 39.

The spelling of 65314563213 in words is "sixty-five billion, three hundred fourteen million, five hundred sixty-three thousand, two hundred thirteen".