2106343859 has 2 divisors, whose sum is σ = 2106343860. Its totient is φ = 2106343858.

The previous prime is 2106343853. The next prime is 2106343873. The reversal of 2106343859 is 9583436012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2106343859 is a prime.

It is not a weakly prime, because it can be changed into another prime (2106343853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053171929 + 1053171930.

It is an arithmetic number, because the mean of its divisors is an integer number (1053171930).

Almost surely, 2^2106343859 is an apocalyptic number.

2106343859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106343859 is an equidigital number, since it uses as much as digits as its factorization.

2106343859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2106343859 is about 45894.9219304271. The cubic root of 2106343859 is about 1281.8673629228.

The spelling of 2106343859 in words is "two billion, one hundred six million, three hundred forty-three thousand, eight hundred fifty-nine".