2195426869 has 8 divisors (see below), whose sum is σ = 2333619288. Its totient is φ = 2058240000.

The previous prime is 2195426861. The next prime is 2195426873. The reversal of 2195426869 is 9686245912.

2195426869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1843414225 + 352012644 = 42935^2 + 18762^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2195426869 - 2³ = 2195426861 is a prime.

It is a super-2 number, since 2×2195426869² = 9639798274254286322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195426861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246882 + ... + 255619.

It is an arithmetic number, because the mean of its divisors is an integer number (291702411).

Almost surely, 2^2195426869 is an apocalyptic number.

It is an amenable number.

2195426869 is a deficient number, since it is larger than the sum of its proper divisors (138192419).

2195426869 is a wasteful number, since it uses less digits than its factorization.

2195426869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502775.

The product of its digits is 1866240, while the sum is 52.

The square root of 2195426869 is about 46855.3824976384. The cubic root of 2195426869 is about 1299.6896436643.

The spelling of 2195426869 in words is "two billion, one hundred ninety-five million, four hundred twenty-six thousand, eight hundred sixty-nine".