197028136593 has 24 divisors (see below), whose sum is σ = 288591488640. Its totient is φ = 129514335840.

The previous prime is 197028136531. The next prime is 197028136603. The reversal of 197028136593 is 395631820791.

197028136593 is a `hidden beast` number, since 19 + 7 + 0 + 2 + 8 + 1 + 36 + 593 = 666.

It is not a de Polignac number, because 197028136593 - 2¹⁷ = 197028005521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197028132593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121128 + ... + 639318.

It is an arithmetic number, because the mean of its divisors is an integer number (12024645360).

Almost surely, 2^197028136593 is an apocalyptic number.

It is an amenable number.

197028136593 is a deficient number, since it is larger than the sum of its proper divisors (91563352047).

197028136593 is a wasteful number, since it uses less digits than its factorization.

197028136593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518789 (or 518786 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 197028136593 in words is "one hundred ninety-seven billion, twenty-eight million, one hundred thirty-six thousand, five hundred ninety-three".