65240616273 has 8 divisors (see below), whose sum is σ = 99414272448. Its totient is φ = 37280352144.

The previous prime is 65240616269. The next prime is 65240616283. The reversal of 65240616273 is 37261604256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65240616273 - 2² = 65240616269 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65240616283) 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 7 ways as a sum of consecutive naturals, for example, 1553347986 + ... + 1553348027.

It is an arithmetic number, because the mean of its divisors is an integer number (12426784056).

Almost surely, 2^65240616273 is an apocalyptic number.

It is an amenable number.

65240616273 is a deficient number, since it is larger than the sum of its proper divisors (34173656175).

65240616273 is a wasteful number, since it uses less digits than its factorization.

65240616273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106696023.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 65240616273 in words is "sixty-five billion, two hundred forty million, six hundred sixteen thousand, two hundred seventy-three".