2001786341 has 2 divisors, whose sum is σ = 2001786342. Its totient is φ = 2001786340.

The previous prime is 2001786331. The next prime is 2001786349. The reversal of 2001786341 is 1436871002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1276561441 + 725224900 = 35729^2 + 26930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001786341 - 2¹⁸ = 2001524197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001786298 and 2001786307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001786349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000893170 + 1000893171.

It is an arithmetic number, because the mean of its divisors is an integer number (1000893171).

Almost surely, 2^2001786341 is an apocalyptic number.

It is an amenable number.

2001786341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001786341 is an equidigital number, since it uses as much as digits as its factorization.

2001786341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2001786341 is about 44741.3269919434. The cubic root of 2001786341 is about 1260.2960463765.

The spelling of 2001786341 in words is "two billion, one million, seven hundred eighty-six thousand, three hundred forty-one".