2195891523935 has 4 divisors (see below), whose sum is σ = 2635069828728. Its totient is φ = 1756713219144.

The previous prime is 2195891523929. The next prime is 2195891523989. The reversal of 2195891523935 is 5393251985912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2195891523935 - 2²⁸ = 2195623088479 is a prime.

It is a Duffinian number.

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, 219589152389 + ... + 219589152398.

It is an arithmetic number, because the mean of its divisors is an integer number (658767457182).

Almost surely, 2^{2195891523935} is an apocalyptic number.

2195891523935 is a deficient number, since it is larger than the sum of its proper divisors (439178304793).

2195891523935 is an equidigital number, since it uses as much as digits as its factorization.

2195891523935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439178304792.

The product of its digits is 26244000, while the sum is 62.

The spelling of 2195891523935 in words is "two trillion, one hundred ninety-five billion, eight hundred ninety-one million, five hundred twenty-three thousand, nine hundred thirty-five".