197424311191 has 8 divisors (see below), whose sum is σ = 197631730224. Its totient is φ = 197216987520.

The previous prime is 197424311129. The next prime is 197424311219. The reversal of 197424311191 is 191113424791.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197424311191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197424311891) 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, 4573951 + ... + 4616911.

It is an arithmetic number, because the mean of its divisors is an integer number (24703966278).

Almost surely, 2^197424311191 is an apocalyptic number.

197424311191 is a deficient number, since it is larger than the sum of its proper divisors (207419033).

197424311191 is a wasteful number, since it uses less digits than its factorization.

197424311191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47681.

The product of its digits is 54432, while the sum is 43.

The spelling of 197424311191 in words is "one hundred ninety-seven billion, four hundred twenty-four million, three hundred eleven thousand, one hundred ninety-one".