2195239291 has 8 divisors (see below), whose sum is σ = 2656424160. Its totient is φ = 1770949248.

The previous prime is 2195239289. The next prime is 2195239307. The reversal of 2195239291 is 1929325912.

It is a happy number.

2195239291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2195239291 - 2¹ = 2195239289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195239691) 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, 9223576 + ... + 9223813.

It is an arithmetic number, because the mean of its divisors is an integer number (332053020).

Almost surely, 2^2195239291 is an apocalyptic number.

2195239291 is a deficient number, since it is larger than the sum of its proper divisors (461184869).

2195239291 is a wasteful number, since it uses less digits than its factorization.

2195239291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18447413.

The product of its digits is 87480, while the sum is 43.

The square root of 2195239291 is about 46853.3807851685. The cubic root of 2195239291 is about 1299.6526273052.

The spelling of 2195239291 in words is "two billion, one hundred ninety-five million, two hundred thirty-nine thousand, two hundred ninety-one".