197195341389 has 4 divisors (see below), whose sum is σ = 262927121856. Its totient is φ = 131463560924.

The previous prime is 197195341381. The next prime is 197195341403. The reversal of 197195341389 is 983143591791.

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 197195341389 - 2³ = 197195341381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197195341381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32865890229 + ... + 32865890234.

It is an arithmetic number, because the mean of its divisors is an integer number (65731780464).

Almost surely, 2^197195341389 is an apocalyptic number.

It is an amenable number.

197195341389 is a deficient number, since it is larger than the sum of its proper divisors (65731780467).

197195341389 is an equidigital number, since it uses as much as digits as its factorization.

197195341389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65731780466.

The product of its digits is 7348320, while the sum is 60.

The spelling of 197195341389 in words is "one hundred ninety-seven billion, one hundred ninety-five million, three hundred forty-one thousand, three hundred eighty-nine".