2053866872 has 16 divisors (see below), whose sum is σ = 3897399240. Its totient is φ = 1014560416.

The previous prime is 2053866827. The next prime is 2053866907. The reversal of 2053866872 is 2786683502.

It is a happy number.

It is a super-4 number, since 4×2053866872⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545923 + ... + 1547250.

Almost surely, 2^2053866872 is an apocalyptic number.

It is an amenable number.

2053866872 is a deficient number, since it is larger than the sum of its proper divisors (1843532368).

2053866872 is a wasteful number, since it uses less digits than its factorization.

2053866872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093262 (or 3093258 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 2053866872 is about 45319.6080300790. The cubic root of 2053866872 is about 1271.1323259369.

The spelling of 2053866872 in words is "two billion, fifty-three million, eight hundred sixty-six thousand, eight hundred seventy-two".