65273869971 has 24 divisors (see below), whose sum is σ = 95164448496. Its totient is φ = 43110144000.

The previous prime is 65273869963. The next prime is 65273870063. The reversal of 65273869971 is 17996837256.

65273869971 is a `hidden beast` number, since 6 + 527 + 38 + 6 + 9 + 9 + 71 = 666.

It is not a de Polignac number, because 65273869971 - 2³ = 65273869963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65273869899 and 65273869908.

It is not an unprimeable number, because it can be changed into a prime (65273868971) 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 23 ways as a sum of consecutive naturals, for example, 2275011 + ... + 2303523.

It is an arithmetic number, because the mean of its divisors is an integer number (3965185354).

Almost surely, 2^65273869971 is an apocalyptic number.

65273869971 is a deficient number, since it is larger than the sum of its proper divisors (29890578525).

65273869971 is a wasteful number, since it uses less digits than its factorization.

65273869971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30883 (or 30880 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 65273869971 in words is "sixty-five billion, two hundred seventy-three million, eight hundred sixty-nine thousand, nine hundred seventy-one".