2189343743 has 2 divisors, whose sum is σ = 2189343744. Its totient is φ = 2189343742.

The previous prime is 2189343697. The next prime is 2189343787. The reversal of 2189343743 is 3473439812.

It is an a-pointer prime, because the next prime (2189343787) can be obtained adding 2189343743 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2189343743 - 2¹⁴ = 2189327359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2189343694 and 2189343703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2189343043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094671871 + 1094671872.

It is an arithmetic number, because the mean of its divisors is an integer number (1094671872).

Almost surely, 2^2189343743 is an apocalyptic number.

2189343743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189343743 is an equidigital number, since it uses as much as digits as its factorization.

2189343743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 2189343743 is about 46790.4236249256. The cubic root of 2189343743 is about 1298.4881325557.

The spelling of 2189343743 in words is "two billion, one hundred eighty-nine million, three hundred forty-three thousand, seven hundred forty-three".