2119155650 has 12 divisors (see below), whose sum is σ = 3941629602. Its totient is φ = 847662240.

The previous prime is 2119155637. The next prime is 2119155653. The reversal of 2119155650 is 565519112.

It can be written as a sum of positive squares in 3 ways, for example, as 1688634649 + 430521001 = 41093^2 + 20749^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2119155650.

It is not an unprimeable number, because it can be changed into a prime (2119155653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21191507 + ... + 21191606.

Almost surely, 2^2119155650 is an apocalyptic number.

2119155650 is a deficient number, since it is larger than the sum of its proper divisors (1822473952).

2119155650 is a wasteful number, since it uses less digits than its factorization.

2119155650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42383125 (or 42383120 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 35.

The square root of 2119155650 is about 46034.2877646652. The cubic root of 2119155650 is about 1284.4610880940.

The spelling of 2119155650 in words is "two billion, one hundred nineteen million, one hundred fifty-five thousand, six hundred fifty".