2050653849 has 48 divisors (see below), whose sum is σ = 3107196288. Its totient is φ = 1196540928.

The previous prime is 2050653841. The next prime is 2050653889. The reversal of 2050653849 is 9483560502.

It is not a de Polignac number, because 2050653849 - 2³ = 2050653841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2050653849.

It is not an unprimeable number, because it can be changed into a prime (2050653841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1605199 + ... + 1606475.

It is an arithmetic number, because the mean of its divisors is an integer number (64733256).

Almost surely, 2^2050653849 is an apocalyptic number.

It is an amenable number.

2050653849 is a deficient number, since it is larger than the sum of its proper divisors (1056542439).

2050653849 is a wasteful number, since it uses less digits than its factorization.

2050653849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 2050653849 is about 45284.1456693179. The cubic root of 2050653849 is about 1270.4691364122.

It can be divided in two parts, 2050653 and 849, that added together give a palindrome (2051502).

The spelling of 2050653849 in words is "two billion, fifty million, six hundred fifty-three thousand, eight hundred forty-nine".