2043552191 has 2 divisors, whose sum is σ = 2043552192. Its totient is φ = 2043552190.

The previous prime is 2043552187. The next prime is 2043552221. The reversal of 2043552191 is 1912553402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2043552191 - 2² = 2043552187 is a prime.

It is a super-2 number, since 2×2043552191² = 8352211114681800962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043552991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021776095 + 1021776096.

It is an arithmetic number, because the mean of its divisors is an integer number (1021776096).

Almost surely, 2^2043552191 is an apocalyptic number.

2043552191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043552191 is an equidigital number, since it uses as much as digits as its factorization.

2043552191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2043552191 is about 45205.6654745840. The cubic root of 2043552191 is about 1269.0008449446. Note that the first 3 decimals are identical.

The spelling of 2043552191 in words is "two billion, forty-three million, five hundred fifty-two thousand, one hundred ninety-one".