2183772853 has 4 divisors (see below), whose sum is σ = 2184581088. Its totient is φ = 2182964620.

The previous prime is 2183772823. The next prime is 2183772863. The reversal of 2183772853 is 3582773812.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2183772853 - 2⁵ = 2183772821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183772803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400051 + ... + 405472.

It is an arithmetic number, because the mean of its divisors is an integer number (546145272).

Almost surely, 2^2183772853 is an apocalyptic number.

It is an amenable number.

2183772853 is a deficient number, since it is larger than the sum of its proper divisors (808235).

2183772853 is an equidigital number, since it uses as much as digits as its factorization.

2183772853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808234.

The product of its digits is 564480, while the sum is 46.

The square root of 2183772853 is about 46730.8554704491. The cubic root of 2183772853 is about 1297.3858420037.

The spelling of 2183772853 in words is "two billion, one hundred eighty-three million, seven hundred seventy-two thousand, eight hundred fifty-three".