2103443197 has 4 divisors (see below), whose sum is σ = 2106083196. Its totient is φ = 2100803200.

The previous prime is 2103443189. The next prime is 2103443207. The reversal of 2103443197 is 7913443012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1604322916 + 499120281 = 40054^2 + 22341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103443197 - 2³ = 2103443189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103423197) 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, 1318804 + ... + 1320397.

It is an arithmetic number, because the mean of its divisors is an integer number (526520799).

Almost surely, 2^2103443197 is an apocalyptic number.

It is an amenable number.

2103443197 is a deficient number, since it is larger than the sum of its proper divisors (2639999).

2103443197 is an equidigital number, since it uses as much as digits as its factorization.

2103443197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639998.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2103443197 is about 45863.3099219845. The cubic root of 2103443197 is about 1281.2786695405.

The spelling of 2103443197 in words is "two billion, one hundred three million, four hundred forty-three thousand, one hundred ninety-seven".