2091186343 has 2 divisors, whose sum is σ = 2091186344. Its totient is φ = 2091186342.

The previous prime is 2091186319. The next prime is 2091186401. The reversal of 2091186343 is 3436811902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2091186343 - 2¹³ = 2091178151 is a prime.

It is a super-2 number, since 2×2091186343² = 8746120642299427298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2091186943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045593171 + 1045593172.

It is an arithmetic number, because the mean of its divisors is an integer number (1045593172).

Almost surely, 2^2091186343 is an apocalyptic number.

2091186343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091186343 is an equidigital number, since it uses as much as digits as its factorization.

2091186343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2091186343 is about 45729.4909549625. The cubic root of 2091186343 is about 1278.7851312895.

The spelling of 2091186343 in words is "two billion, ninety-one million, one hundred eighty-six thousand, three hundred forty-three".