2065629860 has 48 divisors (see below), whose sum is σ = 4967536896. Its totient is φ = 706783872.

The previous prime is 2065629823. The next prime is 2065629869. The reversal of 2065629860 is 689265602.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2065629869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55754 + ... + 85086.

It is an arithmetic number, because the mean of its divisors is an integer number (103490352).

Almost surely, 2^2065629860 is an apocalyptic number.

2065629860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065629860 is an abundant number, since it is smaller than the sum of its proper divisors (2901907036).

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

2065629860 is a wasteful number, since it uses less digits than its factorization.

2065629860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29852 (or 29850 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 2065629860 is about 45449.2008730627. The cubic root of 2065629860 is about 1273.5544010669.

The spelling of 2065629860 in words is "two billion, sixty-five million, six hundred twenty-nine thousand, eight hundred sixty".