2195570393 has 4 divisors (see below), whose sum is σ = 2204757120. Its totient is φ = 2186383668.

The previous prime is 2195570389. The next prime is 2195570471. The reversal of 2195570393 is 3930755912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2195570393 - 2² = 2195570389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195570093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593005 + ... + 4593482.

It is an arithmetic number, because the mean of its divisors is an integer number (551189280).

Almost surely, 2^2195570393 is an apocalyptic number.

It is an amenable number.

2195570393 is a deficient number, since it is larger than the sum of its proper divisors (9186727).

2195570393 is an equidigital number, since it uses as much as digits as its factorization.

2195570393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9186726.

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 2195570393 is about 46856.9140362444. The cubic root of 2195570393 is about 1299.7179650497.

The spelling of 2195570393 in words is "two billion, one hundred ninety-five million, five hundred seventy thousand, three hundred ninety-three".