2153868052 has 12 divisors (see below), whose sum is σ = 4307736160. Its totient is φ = 923086296.

The previous prime is 2153868001. The next prime is 2153868061. The reversal of 2153868052 is 2508683512.

2153868052 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2153867996 and 2153868014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38461902 + ... + 38461957.

Almost surely, 2^2153868052 is an apocalyptic number.

It is an amenable number.

2153868052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2153868052 is a wasteful number, since it uses less digits than its factorization.

2153868052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76923870 (or 76923868 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 2153868052 is about 46409.7840115638. The cubic root of 2153868052 is about 1291.4364248946.

The spelling of 2153868052 in words is "two billion, one hundred fifty-three million, eight hundred sixty-eight thousand, fifty-two".