1882849421 has 2 divisors, whose sum is σ = 1882849422. Its totient is φ = 1882849420.

The previous prime is 1882849337. The next prime is 1882849429. The reversal of 1882849421 is 1249482881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1527715396 + 355134025 = 39086^2 + 18845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1882849421 - 2¹⁰ = 1882848397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1882849429) by changing a digit.

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 as a sum of consecutive naturals, namely, 941424710 + 941424711.

It is an arithmetic number, because the mean of its divisors is an integer number (941424711).

Almost surely, 2^1882849421 is an apocalyptic number.

It is an amenable number.

1882849421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1882849421 is an equidigital number, since it uses as much as digits as its factorization.

1882849421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 47.

The square root of 1882849421 is about 43391.8128337593. The cubic root of 1882849421 is about 1234.8243825748.

The spelling of 1882849421 in words is "one billion, eight hundred eighty-two million, eight hundred forty-nine thousand, four hundred twenty-one".