65948236613 has 32 divisors (see below), whose sum is σ = 78845810688. Its totient is φ = 53997451200.

The previous prime is 65948236589. The next prime is 65948236649. The reversal of 65948236613 is 31663284956.

It is not a de Polignac number, because 65948236613 - 2¹⁰ = 65948235589 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 (65948236693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2015006 + ... + 2047472.

It is an arithmetic number, because the mean of its divisors is an integer number (2463931584).

Almost surely, 2^65948236613 is an apocalyptic number.

It is an amenable number.

65948236613 is a deficient number, since it is larger than the sum of its proper divisors (12897574075).

65948236613 is a wasteful number, since it uses less digits than its factorization.

65948236613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32673.

The product of its digits is 5598720, while the sum is 53.

The spelling of 65948236613 in words is "sixty-five billion, nine hundred forty-eight million, two hundred thirty-six thousand, six hundred thirteen".