65338425792 has 280 divisors, whose sum is σ = 196507540944. Its totient is φ = 21464690688.

The previous prime is 65338425773. The next prime is 65338425793. The reversal of 65338425792 is 29752483356.

65338425792 is a `hidden beast` number, since 6 + 5 + 3 + 384 + 257 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65338425793) 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 39 ways as a sum of consecutive naturals, for example, 139910743 + ... + 139911209.

Almost surely, 2^65338425792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65338425792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98253770472).

65338425792 is an abundant number, since it is smaller than the sum of its proper divisors (131169115152).

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

65338425792 is a wasteful number, since it uses less digits than its factorization.

65338425792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 806 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 65338425792 in words is "sixty-five billion, three hundred thirty-eight million, four hundred twenty-five thousand, seven hundred ninety-two".