2106571219 has 4 divisors (see below), whose sum is σ = 2198161296. Its totient is φ = 2014981144.

The previous prime is 2106571217. The next prime is 2106571237. The reversal of 2106571219 is 9121756012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2106571219 - 2¹ = 2106571217 is a prime.

It is a super-2 number, since 2×2106571219² = 8875284601438291922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106571217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45795004 + ... + 45795049.

It is an arithmetic number, because the mean of its divisors is an integer number (549540324).

Almost surely, 2^2106571219 is an apocalyptic number.

2106571219 is a deficient number, since it is larger than the sum of its proper divisors (91590077).

2106571219 is an equidigital number, since it uses as much as digits as its factorization.

2106571219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91590076.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 2106571219 is about 45897.3988260773. The cubic root of 2106571219 is about 1281.9134831035.

The spelling of 2106571219 in words is "two billion, one hundred six million, five hundred seventy-one thousand, two hundred nineteen".