197128429660799 has 24 divisors (see below), whose sum is σ = 261478692751248. Its totient is φ = 146795055563520.

The previous prime is 197128429660787. The next prime is 197128429660831. The reversal of 197128429660799 is 997066924821791.

197128429660799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197128429660799 - 2¹⁶ = 197128429595263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197128429662799) 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, 9101865137 + ... + 9101886794.

It is an arithmetic number, because the mean of its divisors is an integer number (10894945531302).

Almost surely, 2^{197128429660799} is an apocalyptic number.

197128429660799 is a deficient number, since it is larger than the sum of its proper divisors (64350263090449).

197128429660799 is a wasteful number, since it uses less digits than its factorization.

197128429660799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18203751975 (or 18203751968 counting only the distinct ones).

The product of its (nonzero) digits is 1481421312, while the sum is 80.

The spelling of 197128429660799 in words is "one hundred ninety-seven trillion, one hundred twenty-eight billion, four hundred twenty-nine million, six hundred sixty thousand, seven hundred ninety-nine".