197753060842 has 4 divisors (see below), whose sum is σ = 296629591266. Its totient is φ = 98876530420.

The previous prime is 197753060819. The next prime is 197753060861. The reversal of 197753060842 is 248060357791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 161386189441 + 36366871401 = 401729^2 + 190701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 197753060842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49438265209 + ... + 49438265212.

It is a 1-persistent number, because it is pandigital, but 2⋅197753060842 = 395506121684 is not.

Almost surely, 2^197753060842 is an apocalyptic number.

197753060842 is a deficient number, since it is larger than the sum of its proper divisors (98876530424).

197753060842 is an equidigital number, since it uses as much as digits as its factorization.

197753060842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98876530423.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 197753060842 in words is "one hundred ninety-seven billion, seven hundred fifty-three million, sixty thousand, eight hundred forty-two".