2195450000609 has 4 divisors (see below), whose sum is σ = 2195463316116. Its totient is φ = 2195436685104.

The previous prime is 2195450000593. The next prime is 2195450000647. The reversal of 2195450000609 is 9060000545912.

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 585921357025 + 1609528643584 = 765455^2 + 1268672^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195450000609 - 2⁴ = 2195450000593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195450009609) 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, 6407294 + ... + 6741239.

It is an arithmetic number, because the mean of its divisors is an integer number (548865829029).

Almost surely, 2^{2195450000609} is an apocalyptic number.

It is an amenable number.

2195450000609 is a deficient number, since it is larger than the sum of its proper divisors (13315507).

2195450000609 is a wasteful number, since it uses less digits than its factorization.

2195450000609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13315506.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 2195450000609 in words is "two trillion, one hundred ninety-five billion, four hundred fifty million, six hundred nine", and thus it is an aban number.