2109454211 has 2 divisors, whose sum is σ = 2109454212. Its totient is φ = 2109454210.

The previous prime is 2109454169. The next prime is 2109454279. The reversal of 2109454211 is 1124549012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2109454211 - 2⁶ = 2109454147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2109454511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054727105 + 1054727106.

It is an arithmetic number, because the mean of its divisors is an integer number (1054727106).

Almost surely, 2^2109454211 is an apocalyptic number.

2109454211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2109454211 is an equidigital number, since it uses as much as digits as its factorization.

2109454211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2109454211 is about 45928.7950092314. The cubic root of 2109454211 is about 1282.4980130101.

The spelling of 2109454211 in words is "two billion, one hundred nine million, four hundred fifty-four thousand, two hundred eleven".