2170268043 has 4 divisors (see below), whose sum is σ = 2893690728. Its totient is φ = 1446845360.

The previous prime is 2170268029. The next prime is 2170268069. The reversal of 2170268043 is 3408620712.

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 2170268043 - 2²⁰ = 2169219467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2170267995 and 2170268013.

It is not an unprimeable number, because it can be changed into a prime (2170268543) 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, 361711338 + ... + 361711343.

It is an arithmetic number, because the mean of its divisors is an integer number (723422682).

Almost surely, 2^2170268043 is an apocalyptic number.

2170268043 is a deficient number, since it is larger than the sum of its proper divisors (723422685).

2170268043 is an equidigital number, since it uses as much as digits as its factorization.

2170268043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723422684.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2170268043 is about 46586.1357380069. The cubic root of 2170268043 is about 1294.7058942632.

Adding to 2170268043 its reverse (3408620712), we get a palindrome (5578888755).

The spelling of 2170268043 in words is "two billion, one hundred seventy million, two hundred sixty-eight thousand, forty-three".