65214181273 has 4 divisors (see below), whose sum is σ = 65847328768. Its totient is φ = 64581033780.

The previous prime is 65214181271. The next prime is 65214181309. The reversal of 65214181273 is 37218141256.

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 65214181273 - 2¹ = 65214181271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65214181271) 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, 316573593 + ... + 316573798.

It is an arithmetic number, because the mean of its divisors is an integer number (16461832192).

Almost surely, 2^65214181273 is an apocalyptic number.

It is an amenable number.

65214181273 is a deficient number, since it is larger than the sum of its proper divisors (633147495).

65214181273 is a wasteful number, since it uses less digits than its factorization.

65214181273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633147494.

The product of its digits is 80640, while the sum is 40.

The spelling of 65214181273 in words is "sixty-five billion, two hundred fourteen million, one hundred eighty-one thousand, two hundred seventy-three".