65048546991 has 8 divisors (see below), whose sum is σ = 87829262080. Its totient is φ = 42816764952.

The previous prime is 65048546977. The next prime is 65048547017. The reversal of 65048546991 is 19964584056.

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

It is not a de Polignac number, because 65048546991 - 2⁷ = 65048546863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65048546911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137232985 + ... + 137233458.

It is an arithmetic number, because the mean of its divisors is an integer number (10978657760).

Almost surely, 2^65048546991 is an apocalyptic number.

65048546991 is a deficient number, since it is larger than the sum of its proper divisors (22780715089).

65048546991 is a wasteful number, since it uses less digits than its factorization.

65048546991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274466525.

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 65048546991 in words is "sixty-five billion, forty-eight million, five hundred forty-six thousand, nine hundred ninety-one".