65949200000 has 192 divisors, whose sum is σ = 166376851200. Its totient is φ = 26033280000.

The previous prime is 65949199973. The next prime is 65949200011. The reversal of 65949200000 is 294956.

65949200000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31598957 + ... + 31601043.

It is an arithmetic number, because the mean of its divisors is an integer number (866546100).

Almost surely, 2^65949200000 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 65949200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83188425600).

65949200000 is an abundant number, since it is smaller than the sum of its proper divisors (100427651200).

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

65949200000 is an frugal number, since it uses more digits than its factorization.

65949200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

Adding to 65949200000 its reverse (294956), we get a palindrome (65949494956).

The spelling of 65949200000 in words is "sixty-five billion, nine hundred forty-nine million, two hundred thousand".