65229972273 has 16 divisors (see below), whose sum is σ = 100838605440. Its totient is φ = 41595923952.

The previous prime is 65229972259. The next prime is 65229972289. The reversal of 65229972273 is 37227992256.

65229972273 is a `hidden beast` number, since 6 + 522 + 9 + 97 + 2 + 27 + 3 = 666.

It is not a de Polignac number, because 65229972273 - 2¹³ = 65229964081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65229973273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52519486 + ... + 52520727.

It is an arithmetic number, because the mean of its divisors is an integer number (6302412840).

Almost surely, 2^65229972273 is an apocalyptic number.

It is an amenable number.

65229972273 is a deficient number, since it is larger than the sum of its proper divisors (35608633167).

65229972273 is a wasteful number, since it uses less digits than its factorization.

65229972273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105040245 (or 105040239 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The spelling of 65229972273 in words is "sixty-five billion, two hundred twenty-nine million, nine hundred seventy-two thousand, two hundred seventy-three".