1841552243 has 4 divisors (see below), whose sum is σ = 1841690760. Its totient is φ = 1841413728.

The previous prime is 1841552189. The next prime is 1841552263. The reversal of 1841552243 is 3422551481.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1841552243 - 2¹⁰ = 1841551219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1841552263) 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, 46913 + ... + 76706.

It is an arithmetic number, because the mean of its divisors is an integer number (460422690).

Almost surely, 2^1841552243 is an apocalyptic number.

1841552243 is a deficient number, since it is larger than the sum of its proper divisors (138517).

1841552243 is a wasteful number, since it uses less digits than its factorization.

1841552243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138516.

The product of its digits is 38400, while the sum is 35.

The square root of 1841552243 is about 42913.3107904762. The cubic root of 1841552243 is about 1225.7296207111.

The spelling of 1841552243 in words is "one billion, eight hundred forty-one million, five hundred fifty-two thousand, two hundred forty-three".