2065478812 has 48 divisors (see below), whose sum is σ = 3769301088. Its totient is φ = 989614080.

The previous prime is 2065478797. The next prime is 2065478837. The reversal of 2065478812 is 2188745602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2497143 + ... + 2497969.

It is an arithmetic number, because the mean of its divisors is an integer number (78527106).

Almost surely, 2^2065478812 is an apocalyptic number.

It is an amenable number.

2065478812 is a deficient number, since it is larger than the sum of its proper divisors (1703822276).

2065478812 is a wasteful number, since it uses less digits than its factorization.

2065478812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 2065478812 is about 45447.5391192967. The cubic root of 2065478812 is about 1273.5233576649.

The spelling of 2065478812 in words is "two billion, sixty-five million, four hundred seventy-eight thousand, eight hundred twelve".