2187892853 has 2 divisors, whose sum is σ = 2187892854. Its totient is φ = 2187892852.

The previous prime is 2187892789. The next prime is 2187892873. The reversal of 2187892853 is 3582987812.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1614673489 + 573219364 = 40183^2 + 23942^2 .

It is a cyclic number.

It is not a de Polignac number, because 2187892853 - 2⁶ = 2187892789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2187892795 and 2187892804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2187892873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093946426 + 1093946427.

It is an arithmetic number, because the mean of its divisors is an integer number (1093946427).

Almost surely, 2^2187892853 is an apocalyptic number.

It is an amenable number.

2187892853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2187892853 is an equidigital number, since it uses as much as digits as its factorization.

2187892853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 53.

The square root of 2187892853 is about 46774.9169213586. The cubic root of 2187892853 is about 1298.2012307878.

The spelling of 2187892853 in words is "two billion, one hundred eighty-seven million, eight hundred ninety-two thousand, eight hundred fifty-three".