65319674448 has 40 divisors (see below), whose sum is σ = 192848563648. Its totient is φ = 18662764032.

The previous prime is 65319674393. The next prime is 65319674449. The reversal of 65319674448 is 84447691356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65319674449) 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, 97201561 + ... + 97202232.

Almost surely, 2^65319674448 is an apocalyptic number.

It is an amenable number.

65319674448 is an abundant number, since it is smaller than the sum of its proper divisors (127528889200).

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

65319674448 is a wasteful number, since it uses less digits than its factorization.

65319674448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194403811 (or 194403805 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 65319674448 in words is "sixty-five billion, three hundred nineteen million, six hundred seventy-four thousand, four hundred forty-eight".