197008945005601 has 4 divisors (see below), whose sum is σ = 197942636688304. Its totient is φ = 196075253322900.

The previous prime is 197008945005599. The next prime is 197008945005611. The reversal of 197008945005601 is 106500549800791.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 197008945005601 - 2¹ = 197008945005599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197008945005611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466845841035 + ... + 466845841456.

It is an arithmetic number, because the mean of its divisors is an integer number (49485659172076).

Almost surely, 2^{197008945005601} is an apocalyptic number.

It is an amenable number.

197008945005601 is a deficient number, since it is larger than the sum of its proper divisors (933691682703).

197008945005601 is an equidigital number, since it uses as much as digits as its factorization.

197008945005601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933691682702.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 197008945005601 in words is "one hundred ninety-seven trillion, eight billion, nine hundred forty-five million, five thousand, six hundred one".