2170268245 has 4 divisors (see below), whose sum is σ = 2604321900. Its totient is φ = 1736214592.

The previous prime is 2170268239. The next prime is 2170268333. The reversal of 2170268245 is 5428620712.

It is a happy number.

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 396089604 + 1774178641 = 19902^2 + 42121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170268245 - 2²³ = 2161879637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217026820 + ... + 217026829.

It is an arithmetic number, because the mean of its divisors is an integer number (651080475).

Almost surely, 2^2170268245 is an apocalyptic number.

It is an amenable number.

2170268245 is a deficient number, since it is larger than the sum of its proper divisors (434053655).

2170268245 is an equidigital number, since it uses as much as digits as its factorization.

2170268245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434053654.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2170268245 is about 46586.1379060338. The cubic root of 2170268245 is about 1294.7059344319.

Adding to 2170268245 its reverse (5428620712), we get a palindrome (7598888957).

The spelling of 2170268245 in words is "two billion, one hundred seventy million, two hundred sixty-eight thousand, two hundred forty-five".