193845534170113 has 96 divisors (see below), whose sum is σ = 236982368943360. Its totient is φ = 155232864460800.

The previous prime is 193845534170083. The next prime is 193845534170161. The reversal of 193845534170113 is 311071435548391.

It is a de Polignac number, because none of the positive numbers 2^k-193845534170113 is a prime.

It is a super-2 number, since 2×193845534170113² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (193845534170713) 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 95 ways as a sum of consecutive naturals, for example, 16293642381 + ... + 16293654277.

It is an arithmetic number, because the mean of its divisors is an integer number (2468566343160).

Almost surely, 2^{193845534170113} is an apocalyptic number.

It is an amenable number.

193845534170113 is a deficient number, since it is larger than the sum of its proper divisors (43136834773247).

193845534170113 is a wasteful number, since it uses less digits than its factorization.

193845534170113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12759 (or 12728 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 193845534170113 in words is "one hundred ninety-three trillion, eight hundred forty-five billion, five hundred thirty-four million, one hundred seventy thousand, one hundred thirteen".