3400643205611 has 2 divisors, whose sum is σ = 3400643205612. Its totient is φ = 3400643205610.

The previous prime is 3400643205541. The next prime is 3400643205623. The reversal of 3400643205611 is 1165023460043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3400643205611 - 2³⁴ = 3383463336427 is a prime.

It is not a weakly prime, because it can be changed into another prime (3400643204611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700321602805 + 1700321602806.

It is an arithmetic number, because the mean of its divisors is an integer number (1700321602806).

Almost surely, 2^{3400643205611} is an apocalyptic number.

3400643205611 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400643205611 is an equidigital number, since it uses as much as digits as its factorization.

3400643205611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 3400643205611 its reverse (1165023460043), we get a palindrome (4565666665654).

The spelling of 3400643205611 in words is "three trillion, four hundred billion, six hundred forty-three million, two hundred five thousand, six hundred eleven".