2195448697 has 24 divisors (see below), whose sum is σ = 2542477896. Its totient is φ = 1878041088.

The previous prime is 2195448691. The next prime is 2195448709. The reversal of 2195448697 is 7968445912.

It can be written as a sum of positive squares in 4 ways, for example, as 900960256 + 1294488441 = 30016^2 + 35979^2 .

It is not a de Polignac number, because 2195448697 - 2⁷ = 2195448569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195448691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990963 + ... + 993175.

It is an arithmetic number, because the mean of its divisors is an integer number (105936579).

Almost surely, 2^2195448697 is an apocalyptic number.

It is an amenable number.

2195448697 is a deficient number, since it is larger than the sum of its proper divisors (347029199).

2195448697 is a wasteful number, since it uses less digits than its factorization.

2195448697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2310 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 2195448697 is about 46855.6154265420. The cubic root of 2195448697 is about 1299.6939510318.

The spelling of 2195448697 in words is "two billion, one hundred ninety-five million, four hundred forty-eight thousand, six hundred ninety-seven".