197536512613 has 16 divisors (see below), whose sum is σ = 218556997632. Its totient is φ = 177027102000.

The previous prime is 197536512599. The next prime is 197536512619. The reversal of 197536512613 is 316215635791.

It is a cyclic number.

It is not a de Polignac number, because 197536512613 - 2⁹ = 197536512101 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 (197536512619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12162208 + ... + 12178438.

It is an arithmetic number, because the mean of its divisors is an integer number (13659812352).

Almost surely, 2^197536512613 is an apocalyptic number.

It is an amenable number.

197536512613 is a deficient number, since it is larger than the sum of its proper divisors (21020485019).

197536512613 is a wasteful number, since it uses less digits than its factorization.

197536512613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31896.

The product of its digits is 1020600, while the sum is 49.

The spelling of 197536512613 in words is "one hundred ninety-seven billion, five hundred thirty-six million, five hundred twelve thousand, six hundred thirteen".