65679544014 has 64 divisors (see below), whose sum is σ = 158061196800. Its totient is φ = 17773959168.

The previous prime is 65679544009. The next prime is 65679544019. The reversal of 65679544014 is 41044597656.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65679544009) and next prime (65679544019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65679544019) 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, 6232702 + ... + 6243230.

It is an arithmetic number, because the mean of its divisors is an integer number (2469706200).

Almost surely, 2^65679544014 is an apocalyptic number.

65679544014 is an abundant number, since it is smaller than the sum of its proper divisors (92381652786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65679544014 is a wasteful number, since it uses less digits than its factorization.

65679544014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18377.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 65679544014 in words is "sixty-five billion, six hundred seventy-nine million, five hundred forty-four thousand, fourteen".