2105626650 has 48 divisors (see below), whose sum is σ = 5226600000. Its totient is φ = 561000960.

The previous prime is 2105626643. The next prime is 2105626651. The reversal of 2105626650 is 566265012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2105626651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181731 + ... + 192969.

It is an arithmetic number, because the mean of its divisors is an integer number (108887500).

Almost surely, 2^2105626650 is an apocalyptic number.

2105626650 is an abundant number, since it is smaller than the sum of its proper divisors (3120973350).

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

2105626650 is a wasteful number, since it uses less digits than its factorization.

2105626650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12503 (or 12498 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2105626650 is about 45887.1076665331. The cubic root of 2105626650 is about 1281.7218546806.

The spelling of 2105626650 in words is "two billion, one hundred five million, six hundred twenty-six thousand, six hundred fifty".