2065634600 has 48 divisors (see below), whose sum is σ = 5011420320. Its totient is φ = 790328000.

The previous prime is 2065634539. The next prime is 2065634603. The reversal of 2065634600 is 64365602.

It is not an unprimeable number, because it can be changed into a prime (2065634603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219926 + ... + 229125.

It is an arithmetic number, because the mean of its divisors is an integer number (104404590).

Almost surely, 2^2065634600 is an apocalyptic number.

2065634600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065634600 is an abundant number, since it is smaller than the sum of its proper divisors (2945785720).

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

2065634600 is a wasteful number, since it uses less digits than its factorization.

2065634600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449090 (or 449081 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2065634600 is about 45449.2530191641. The cubic root of 2065634600 is about 1273.5553752078. Note that the first 3 decimals are identical.

The spelling of 2065634600 in words is "two billion, sixty-five million, six hundred thirty-four thousand, six hundred".