65545430000 has 100 divisors (see below), whose sum is σ = 161062224840. Its totient is φ = 25826592000.

The previous prime is 65545429997. The next prime is 65545430003. The reversal of 65545430000 is 3454556.

It is an interprime number because it is at equal distance from previous prime (65545429997) and next prime (65545430003).

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65545430003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 621086 + ... + 718914.

Almost surely, 2^65545430000 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 65545430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80531112420).

65545430000 is an abundant number, since it is smaller than the sum of its proper divisors (95516794840).

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

65545430000 is an equidigital number, since it uses as much as digits as its factorization.

65545430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97924 (or 97903 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 65545430000 its reverse (3454556), we get a palindrome (65548884556).

The spelling of 65545430000 in words is "sixty-five billion, five hundred forty-five million, four hundred thirty thousand".